DRAFT

This template/module is far from being mature but aspires to become a standard means of building a table of contents suitable for use on WikiSource. Please note bugs/shortcomings/suggestions on the talk page.

Usage sunting

{{TOCstyle
 | model              =
 | starting           =
 | continuing         =
 | completing         =
 | header             =
 | footer             =
 | class              =
 | style              =
 | compact            =
 | width              =
 | depth              =
 | chapter-width      =
 | page-width         =
 | rowStoEmodel       =
 |   rowS-Emodel      =
 | rowStoEpageribbon  =
 |   rowS-Epageribbon =
 | rowStoEstyle       =
 |   rowS-Estyle      =
 | rowX,Y..model      =
 | rowX,Y..pageribbon =
 | rowX,Y..style      =
 | rowRmodel          =
 | rowRpageribbon     =
 | rowRstyle          =
 | demoSpace          =
 | leadersym          =
 | leaderrepeat       =
 | leaderspacing      =
 | leaderbgcolour     =
 | field | field | ...
}}

Parameters sunting

Page: space output control

Enabling any of the five following flags causes generation of part of the output HTML to be suppressed. Specifically choosing either {{{continuing}}} or {{{completing}}} affects the operation of other parameters and will entirely disable the effect of {{{class}}}, {{{compact}}}, {{{style}}} or {{{width}}}. In practice there is normally a related Templat:Tlp present which may be used to host any such orphaned specifications.

  • {{{starting}}}: if set to any value (typically 'yes'), generates HTML usable as first page in set of multiple pages.
  • {{{continuing}}}: if set to any value (typically 'yes'), generates HTML usable as middle (i.e. not first nor last) page in set of multiple pages.
  • {{{completing}}}: if set to any value (typically 'yes'), generates HTML usable as last page in set of multiple pages.
  • {{{header}}}: if set to any value (typically 'yes'), generates HTML usable in header region of Page: in order to continue table of contents commenced on a prior page to this one.
  • {{{footer}}}: if set to any value (typically 'yes'), generates HTML usable in footer region of Page: in order to continue table of contents terminating on a successive page to this one.
Overall effect
  • {{{model}}}: may be set to one of a number of standard mnemonic values (detailed below) intended to suggest a layout desired to be applied to each "row" of the generated table of contents. If no choice made model "D" (described below) is automatically applied.
  • {{{demoSpace}}}: Name space prefix to be treated as equivalent to 'Page' when producing HTML which normally would not be available for transclusion (mainly affects page-crossing constructs e.g. the '/s', '/c' and '/e' model variants and page-ribbon effects.)
  • {{{class}}}: User-specified class name(s) to be applied to the overall <div> which wraps output.
  • {{{style}}}: User-specified CSS style directives to be applied to the overall <div> which wraps output.
    One useful application might be to apply |style=display:table;margin:0 auto 0 auto which results in a block-centred TOC whose width automatically adapts to accommodate the longest internal row (only noticeable if all TOC items are relatively compact.)
  • {{{compact}}}: Preselect self-sizing centred output per above note on {{{style}}}.
  • {{{width}}}: Overall width limitation to be applied to output (if specified, automatic margin centring will be applied. The default is to utilise all available container width.)
  • {{{depth}}}: On models which make use of this, provides a user-specifiable hanging-indent factor. Default is 5em.
  • {{{chapter-width}}}: On models which make use of this, provides a user-specifiable chapter width. Default is 5em.
  • {{{page-width}}}: On models which make use of this, provides a user-specifiable page width. Default is 2em.
Leader Control

The following parameters affect all output rows which involve any kind of variable leader, with the exception that the "CD.P" model selected leader pattern preempts {{{leadersym}}}:

  • {{{leadersym}}}: a single or short sequence of symbols which will be repeated to form the leader. Default: period ".".
  • {{{leaderrepeat}}}: repetition factor used by {{{leadersym}}} above. Reducing this from the default may materially assist in reducing "template include size" borderline cases, at the cost of catering for wide output screen widths. A rule-of-thumb for calculating a usable minimum value would be to divide the widest possible presentation width by the sum of the rendered width of a single instance of {{{leadersym}}} (: the default period "." is approximately 4px) and the value of {{{leaderspacing}}} () viz. , and add a safety margin (say 10%). For example if {{{width}}} is set to 400px and other parameters left at their respective default values, setting this parameter to 55 (or better 60) ought to be adequate. Default: 384.
  • {{{leaderspacing}}}: Inter-symbol spacing to be applied across width of leader. Default: 4px.
  • {{{leaderbgcolor}}} (alias {{{leaderbgcolour}}}): Background colour choice for descriptive text immediately preceding leader. Default: white.
Affects a single output row only
  • {{{rowRmodel}}}: as for {{{model}}} above but affects the choice of layout specified for one row only.
  • {{{rowRpageribbon}}}: this row of output displays only in the 'Page' namespace (or any other name space nominated via {{{demoSpace}}}.) This permits, for example column headings to appear on each individual page whilst not rendering into the final transclusion. This parameter is a flag (i.e. not a model) and can only be usefully set to a value such as "true" or "yes" in order to influence the interpretation of the model chosen for this row by other means.
  • {{{rowRstyle}}}: additional CSS styling to apply to a particular row. Typically used for indenting, e.g. margin-left:2em
Affects multiple rows at once
  • {{{rowStoEmodel}}}: as for {{{rowRmodel}}} above but affects the choice of layout specified for every row between rows S and E inclusive. The selection is subordinate to {{{rowRmodel}}} but overrules {{{model}}}. An alternate format {{{rowS-Emodel}}} is recognised without deterministic precedence. You were warned!
  • {{{rowStoEpageribbon}}}: as for {{{rowRpageribbon}}}. Subordinate to {{{rowRpageribbon}}}. Alternate format {{{rowS-Emodel}}} is recognised with similar provisos to above.
  • {{{rowStoEstyle}}}: macro form. Subordinate to {{{rowRstyle}}}. Alternate format {{{rowS-Estyle}}} is recognised with similar provisos to above.
  • {{{rowX,Y..model}}}: as for {{{rowRmodel}}} above but affects the choice of layout specified for every row nominated. The selection is subordinate to {{{rowRmodel}}} but overrules {{{rowStoEmodel}}} should their zones of influence overlap.
  • {{{rowX,Y..pageribbon}}}: as for {{{rowRpageribbon}}}. Subordinate to {{{rowRpageribbon}}} but may overrule {{{rowStoEpageribbon}}} in cases of apparent conflict.
  • {{{rowX,Y..style}}}: as for {{{rowRstyle}}}. Subordinate to {{{rowRstyle}}} but may overrule {{{rowStoEstyle}}} in cases of apparent conflict.
Of technical interest only
  • {{{debugArgs}}}: dump content of entire LUA argument hash table into top of generated HTLM stream. This is desperate stuff: once experienced you will never be able to unsee the awful truth.

Available 'models' sunting

D
("Description") default choice. Output row is constructed from a single unformatted item.
DP
("Description with Page") Output row is constructed from pairs of input fields. Within each pair the first field is presented as an unformatted description and the latter as right-lower-aligned.
H5P
("Wide Hanging with Page") Output row is constructed from pairs of input fields. Within each pair the first field is presented as an wide hanging indented description (field intended to align with CDP entries; overlapping Chapter region) and the latter as a right-lower-aligned page reference.
2H3P
("Indented Hanging with Page") Output row is constructed from pairs of input fields. Within each pair the first field is presented as an indented hanging indented description (field intended to align with CDP entries; overlapping Chapter region but with left margin offset) and the latter as a right-lower-aligned page reference.
CDP
("Chapter, Description, Page") Output row is constructed from triples of input fields. The first field is presented as right-aligned within a minimum-width (4em) column, followed by a description field. Finally the third field is presented right-lower-aligned.
D.P
("Description, dot-leader, Page") Output row is constructed from pairs of input fields. Within each pair the first field is presented as an unformatted description and the latter as right-lower-aligned, separated by a variable-length "standard" dot-leader.
D?P
("Description, dot-leader-with arbitrary symbol, Page") Output row is constructed from triples of input fields. Within each, the first field is presented as an unformatted description and the third as right-lower-aligned, separated by a variable-length dot-leader composed by repeating the second field multiple times.
CD.P
("Chapter, Description, dot-leader, Page") Output row is constructed from triples of input fields. The first field is presented as right-aligned within a minimum-width (4em) column with 1em right-padding, followed by a description field with standard dot-leader trailing. Finally the third field is presented right-lower-aligned.
C5D.P
("Chapter, Description, dot-leader, Page") Variant of CD.P without padding following Chapter field; otherwise identical.
2CD.P
("Indented Chapter, Description, dot-leader, Page") Variant of CD.P with inherent 2em indentation applied.
CD.P/s
variant of CD.P. Initial fragment to be continued on next page.
CD.P/e
Completion of fragment commenced by CD.P/s.
CH2.P
("Chapter, Large-hanging-indented description, dot-leader, Page") Output row is constructed from triples of input fields. The first field is presented as right-aligned within a minimum-width (4em) column, followed by a description field with 2em hanging indent and standard dot-leader trailing. Finally the third field is presented right-lower-aligned.
mCHn.pP
("Generalised-depth/width" variant) of CH2.P above. Associated with {{{chapter-width}}}, {{{depth}}} and {{{page-width}}}.
mCHn.upP
("Undercut page number" variant) of mCHn.pP above, and similarly associated with {{{chapter-width}}}, {{{depth}}} and {{{page-width}}}.
CD.uP
("Chapter, Description, dot-leader, undercut Page") Output row is constructed from triples of input fields. The first field is presented as right-aligned within a minimum-width (4em) column with 1em right-padding, followed by a description field with standard dot-leader trailing. Finally the third field is presented right-lower-aligned, undercut into the final line.
H5.P
("Wide Hanging with dot-lead Page") Output row is constructed from pairs of input fields. Within each pair the first field is presented as an wide hanging indented description (field intended to align with CDP entries; overlapping Chapter region) and the latter as a leader-introduced right-lower-aligned page reference.
Hn.P
("Generalised-depth" variant) of H5.P above. Associated with {{{depth}}}.
Hn.upP
("Generalised-page width" undercut variant) of Hn.P above. Associated with {{{depth}}} and {{{page-width}}}.
2H3.P
("Indented Hanging with dot-lead Page") Output row is constructed from pairs of input fields. Within each pair the first field is presented as an indented hanging indented description (field intended to align with CDP entries; overlapping Chapter region but with left margin offset) and the latter as a right-lower-aligned dot-lead page reference. (N.B. there is currently an inherent weakness in the implementation of this model: descriptions which render on a single line may suffer blanking of initial characters. This needs to be addressed.)
2H3P/s
("Indented Hanging Indent initial page crossing section") Build TOC fragment per 2H3P above but with expectation the fragment will continue on a later Page. (Differing HTML is constructed for demonstration and presentation name spaces.)
2H3P/e
("Indented Hanging Indent terminal page crossing section") Continuation of TOC fragment commenced by 2H3P/s. (Differing HTML is constructed for demonstration and presentation name spaces.)
lcr
("left-centred-right") Output row is constructed from triples of input fields in a fashion reminiscent of {{running header}} with three parameters specified.
lccr
("left-centred-right") Output row is constructed from triples of input fields in a fashion reminiscent of {{running header}} with four parameters specified.
lcccr
("left-centred-right") Output row is constructed from triples of input fields in a fashion reminiscent of {{rh/5}}.
c
("center") Output row is constructed from single field, centred.
h
("hanging") Output row is constructed from single field with short hanging indent applied.
7h2
("indented hanging") Output row is constructed from single field with indent and clearances from both Chapter and Page columns when used in close association with (for example) CDP model lines.
j
("justify") Output row is constructed from single field, justified.
l
("left") Output row is constructed from single unformatted fields.
r
("right") Output row is constructed from single field, right-aligned.
lr
("left-right") Output row is constructed from pairs of input fields in a fashion reminiscent of {{running header}} with the "center" parameter omitted. (Degenerate form of model "lcr".)

The above list is all the models currently implemented and is intended to be expanded as cases/suggestions arise. See ahead. Detection of unusable models will result in the entire table being replaced by an error message.

Limitations sunting

  • Owing to the complexity of the code generated by this template, it should not be used over an extended range of Page: if leader based models are used. (such as D.P, CD.P etc). If used for content such as an index, then that index will need to be sectionalised (typically by inital letter) in transclusion.

Examples sunting

{{TOCstyle|model=DP
|{{lorem ipsum}}|Page 15
|row2model=c|'''Centred:''' {{lorem ipsum}}
|row3model=h|'''Hanging:''' {{lorem ipsum}}
|row4model=j|'''Justified:''' {{lorem ipsum}}
|row5model=l|'''Left:''' {{lorem ipsum}}
|row6model=r|'''Right:''' {{lorem ipsum}}
|row7model=lcr|Progressive Left|Confused and Huddled Masses|Conservative Right
|row8model=lccr|Communists|Democrats|Republicans|Fascists
|row9model=lcccr|This|Is|Really|Fine|Grain
|row10model=D|'''Descriptive:''' {{lorem ipsum}}
|row11model=D.P|'''leader:''' {{lorem ipsum}}|118
|row12model=D?P|'''leader with custom symbol:''' {{lorem ipsum}}|&bull;|118
|row13model=lr|Left!|Right!
|row14model=CD.P|'''Chapter XI'''|'''+description with page leader:''' {{lorem ipsum}}|213
|row15model=CDP|'''XII'''|'''+description only:''' {{lorem ipsum}}|242
|row16model=H5P|'''"Wide hanging" description:''' {{lorem ipsum}}|248
|row17model=2H3P|'''"Indented hanging" description:''' {{lorem ipsum}}|249
|row18model=H5.P|'''"Wide hanging dot-leader" description:''' {{lorem ipsum}}|257
|row19model=2CD.P|'''Chapter XI'''|'''(indented) + description with page leader:''' {{lorem ipsum}}|213
|row20model=CH2.P|'''Chapter XIV'''|'''+ large hanging indented description with page leader:''' {{lorem ipsum}}|1212
|row21model=C5D.P|'''Chapter XI'''|'''+description with page leader:''' {{lorem ipsum}}|213
|row22model=7h2|'''indented hanging description with page clearance:''' {{lorem ipsum}}
|row23model=CD.uP|'''Chapter XI'''|'''+description with page leader, page number undercut:''' {{lorem ipsum}}|213
}}
  1. Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.Page 15
  2. Centred: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
  3. Hanging: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
  4. Justified: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
  5. Left: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
  6. Right: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
  7. Progressive LeftConfused and Huddled MassesConservative Right
  8. CommunistsDemocratsRepublicansFascists
  9. ThisIsReallyFineGrain
  10. Descriptive: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
  11. leader: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
    ................................................................................................................................................................................................................................................................................................................................................................................................
    118
  12. leader with custom symbol: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
    ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••
    118
  13. Left!Right!
  14. Chapter XI
    +description with page leader: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
    ................................................................................................................................................................................................................................................................................................................................................................................................
    213
  15. XII+description only: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.242
  16. "Wide hanging" description: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.248
  17. "Indented hanging" description: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.249
  18. "Wide hanging dot-leader" description: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
    ................................................................................................................................................................................................................................................................................................................................................................................................
    257
  19. Chapter XI
    (indented) + description with page leader: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
    ................................................................................................................................................................................................................................................................................................................................................................................................
    213
  20. Chapter XIV
    + large hanging indented description with page leader: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
    ................................................................................................................................................................................................................................................................................................................................................................................................
    1212
  21. Chapter XI
    +description with page leader: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
    ................................................................................................................................................................................................................................................................................................................................................................................................
    213
  22. indented hanging description with page clearance: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
  23. Chapter XI
    +description with page leader, page number undercut: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.213
    ................................................................................................................................................................................................................................................................................................................................................................................................
{{TOCstyle|model=crazy
|Demonstration of handling of unrecognised models:
}}


Invalid model: "crazy" apparently requested on behalf of row 1?

{{TOCstyle|model=D.P
|'''leader:''' {{lorem ipsum}}|118
|row2model=D?P|'''leader with custom symbol:''' {{lorem ipsum}}|&bull;|118
}}
  1. leader: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
    ................................................................................................................................................................................................................................................................................................................................................................................................
    118
  2. leader with custom symbol: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
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{{TOCstyle|model=D.P|leadersym=&middot;|leaderspacing=1em|leaderbgcolour=#ECFCF4
|'''leader:''' {{lorem ipsum}}|118
|row2model=D?P|'''leader with custom symbol:''' {{lorem ipsum}}|&bull;|118
}}
  1. leader: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
    ································································································································································································································································································································································································
    118
  2. leader with custom symbol: Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo.
    ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••
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Some notes on internals sunting

It is hoped that the internal LUA code will be reasonably simple to augment. Any variable named with suffix …Tags contains opening and closing HTML strings applicable to a given situation.

For example outerTags holds HTML specific to header- and footer- use and is used to "wrap" the entire output.

modelTab holds a structure keyed upon model names. Within each element there are sub-elements to indicate how many fields a single output row will consume under this model, and the name of a routine and its parameters required to format that row.

Internal structures.
starting=yes
<div> <ol> <li> <table> </table> </li> </ol> </div>
…repeated for as many rows as required…
<li> <table> </table> </li>
header=yes continuing=yes footer=yes
completing=yes

Templat:Sandbox other


--[[
   This module (tentatively) implements {{TOCstyle}}
   Intended invocation method: {{#invoke:TOCstyle|toc}}
   Normal invocation via application of Template:TOCstyle
   
   The intent of this module is to provide a higher-level "styling" facility to aid in the creation of standard tables-of-contents
   (TOCs) on (initially) the English WikiSource in a reasonably flexible fashion. To this end there are a number of internal
   configuration tables (future task: separate these into a configuration helper module if possible?)
   
   All internal variables obeying the naming convention "...Tags" (e.g. "outerTags") designate two-element tables of strings
   containing HTML tags which shall be used to "wrap around" various output components. The first element content will open any
   required construct and the second element content will provide the necessary closing tags for that construct.
--]]
require[[strict]]

local p = {}

    -- emit() outputs a single item without detailed formatting.
    local function emit(args,index,use,para)
        --mw.log("emit exiting: index+use="..index.."+"..use.."\n")
        if type(use) ~= 'number' then
        	use = 0
        end
        return index+use, (args[index] or '')
    end

    -- emit384() outputs a single item repeated 384 times.
    local function emit384(args,index,use,para)
        if type(use) ~= 'number' then
        	use = 0
        end
        return index+use, string.rep((args[index] or '.'),(args['leaderrepeat'] or 384))
    end

    -- fmtCell() outputs a single table cell and applies simple formatting to it
    local function fmtCell(args,index,use,para)
        local addl      -- somewhere to discard accountancy for arguments consumed by sub-process
        local cell = ''

        -- mw.log("use, args[use]="..use..", "..args[use])
        if para then
            if para.proc then
                addl, cell = para.proc(args,index,para.use,para.para)
            end
            if para.wrap then
                cell = para.wrap[1] .. cell .. para.wrap[2]
            end
        end
        --mw.log("fmtCell exiting: index+use+addl="..index.."+"..use.."+"..addl.."\n")
        if type(use) ~= 'number' then
        	use = 0
        end
        return index+use, cell
    end

    -- fmtNCells() outputs multiple table cells and applies individual formatting to each one
    local function fmtNCells(args,index,use,para)
        local row = ''

        if para then
            local offset = 1
            local colcount = table.getn(para)

            while offset <= colcount do
                local addl      -- somewhere to discard accountancy for arguments consumed by sub-process
                local cell = ''
                
                if para[offset].proc then
                    addl, cell = para[offset].proc(args,index+offset-1,para[offset].use,para[offset].para)
                end
                if para[offset].wrap then
                    cell = para[offset].wrap[1] .. cell .. para[offset].wrap[2]
                    row = row .. cell
                end
                offset = offset + 1
            end
        end
        if type(use) ~= 'number' then
        	use = 0
        end
        return index+use, row
    end

    local function isDemoSpace(demoSpace)
    	local namespace = mw.title.getCurrentTitle().nsText
    	
        -- everything eligible for display in Page: namespace
        return (namespace == 'Page') or
            (namespace == demoSpace)
    end

    -- cdlSwrap() outputs multiple table cells with individual formatting but closes wrapping only in demonstration name spaces
    local function cdlSwrap(args,index,use,para)
        local row = ''

        if para then
            local offset = 1
            local colcount = table.getn(para)

            while offset <= colcount do
                local addl      -- somewhere to discard accountancy for arguments consumed by sub-process
                local cell = ''
                
                if para[offset].proc then
                    addl, cell = para[offset].proc(args,index+offset-1,para[offset].use,para[offset].para)
                end
                if para[offset].wrap then
                    cell = para[offset].wrap[1] .. cell
                    if (para[offset].use ~= 'p') or isDemoSpace(args['demoSpace']) then
                    	cell = cell .. para[offset].wrap[2]
                    end
                    row = row .. cell
                end
                offset = offset + 1
            end
        end
        if type(use) ~= 'number' then
        	use = 0
        end
        return index+use, row
    end

    -- cdlEwrap() outputs multiple table cells with individual formatting but opens wrapping only in demonstration name spaces
    local function cdlEwrap(args,index,use,para)
        local row = ''

        if para then
            local offset = 1
            local colcount = table.getn(para)

            while offset <= colcount do
                local addl      -- somewhere to discard accountancy for arguments consumed by sub-process
                local cell = ''
                
                if para[offset].proc then
                    addl, cell = para[offset].proc(args,index+offset-1,para[offset].use,para[offset].para)
                end
                if para[offset].wrap then
                    if (para[offset].use ~= 'p') or isDemoSpace(args['demoSpace']) then
                        cell = para[offset].wrap[1] .. cell
                    end
                    cell = cell .. para[offset].wrap[2]
                    row = row .. cell
                end
                offset = offset + 1
            end
        end
        if type(use) ~= 'number' then
        	use = 0
        end
        return index+use, row
    end

local function isnotempty(s)
    return s and s:match( '^%s*(.-)%s*$' ) ~= ''
end

local function isRibbonAllowed(RibbonControl,RibbonRange,demoSpace)
    -- everything eligible for display in Page: namespace
    if isDemoSpace(demoSpace) then
    	return true
    elseif isnotempty(RibbonRange) then
    	return false
    elseif isnotempty(RibbonControl) then
    	return false
    else
    	return true
    end
end

function p.toc(frame)
    local args = (frame.args[1] ~= nil) and frame.args or frame:getParent().args

    local outerTags = { -- HTML tags to wrap around /any/ output; also serves as header/footer in page-crossing circumstances
        '<div$CSS$><ol style="list-style:none;margin:0; padding:0;">', -- '$CSS$' will be substituted
        '</ol></div>'
    }
    
    local otDefCSS = ' style="max-width:100%; margin:0; padding:0;"'	-- CSS attributes to apply to outerTags[1] if not explicitly overridden
    local otCptCSS = ' style="max-width:100%; display: table; margin:0 auto 0 auto; padding:0;"'	-- alternate, "compact" CSS attributes for outerTags[1] use
    
    local rowTags = { -- HTML tags to wrap around /each/ row: does not include columnar formatting
        '<li style="margin:0; padding:0;">',
        '</li>'
    }

    local detailTags = { -- additional HTML tags to wrap around each row which may require more detailed formatting
        '<table ' ..
          'style="border-collapse:collapse;border-spacing:0 0;display:inline-table;vertical-align:middle;width:100%;">' ..
          '<tr>',
        '</tr></table>'
    }

    local ctrCellTags = { -- additional HTML tags to wrap around a centred table cell
        '<td style="text-align:center;">',
        '</td>'
    }

    local jstCellTags = { -- additional HTML tags to wrap around a justified table cell
        '<td style="text-align:justify;">',
        '</td>'
    }

    local rgtCellTags = { -- additional HTML tags to wrap around a right-aligned table cell
        '<td style="text-align:right;">',
        '</td>'
    }

    local hi1CellTags = { -- additional HTML tags to wrap around a "hanging indent" table cell
        '<td style="padding-left:1em;text-indent:-1em;text-align:justify;">',
        '</td>'
    }

    local hi2doTags = { -- additional HTML tags to wrap around a large "hanging indent/dot leader" table cell
        '<td style="position:relative;"><div style="padding-left:2em;text-indent:-2em;text-align:justify;">' ..
          '<span style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';padding:0 0.5em 0 0;position:relative;text-align:justify;z-index:2;">',
        '</span></div><div class="ws-noexport" style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';position:absolute;left:0;bottom:0;width:2em;height:1em;z-index:1;"></div>' ..
          '<div class="ws-noexport" style="overflow:hidden;position:absolute;right:0;bottom:0;text-align:right;white-space:nowrap;width:100%;z-index:0;">' ..
          '<span style="float:left;letter-spacing:' .. (args['leaderspacing'] or '4px') .. ';">' ..
          string.rep((args['leadersym'] or '.'),(args['leaderrepeat'] or 384)) ..
          '</span></div></td>'
    }

    local hi23CellTags = { -- additional HTML tags to wrap around a indented "hanging indent" table cell
        '<td style="padding-left:5em;text-indent:-3em;text-align:justify;">',
        '</td>'
    }

    local hi23sCelTags = { -- additional HTML tags to wrap around a initial portion of indented "hanging indent" table cell
        '<td style="padding-left:5em;text-indent:-3em;text-align:justify;"><p>',	-- always output
        '</p></td><td style="width:2em;text-align:right;vertical-align:bottom;">&nbsp;</td>'					-- Page/demo only
    }

    local hi23eCelTags = { -- additional HTML tags to wrap around terminal portion of indented "hanging indent" table cell
        '<td style="padding-left:5em;text-indent:0;text-align:justify;"><p>',			-- Page/demo only
        '</p></td>'																		-- always output
    }

    local hi23doTags = { -- additional HTML tags to wrap around a indented "hanging indent/dot leader" table cell
        '<td style="position:relative;"><div style="padding-left:5em;text-indent:-3em;text-align:justify;">' ..
          '<span style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';padding:0 0.5em 0 0;position:relative;text-align:justify;z-index:2;">',
        '</span></div><div style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';position:absolute;left:0;bottom:0;width:5em;height:1em;z-index:1;"></div>' ..
          '<div style="overflow:hidden;position:absolute;right:0;bottom:0;text-align:right;white-space:nowrap;width:100%;z-index:0;">' ..
          '<span style="float:left;letter-spacing:' .. (args['leaderspacing'] or '4px') .. ';">' ..
          string.rep((args['leadersym'] or '.'),(args['leaderrepeat'] or 384)) ..
          '</span></div></td>'
    }

    local hi23edoTags = { -- additional HTML tags to wrap around a indented "hanging indent/dot leader" table cell
        '<td style="position:relative;"><div style="padding-left:5em;text-indent:-3em;text-align:justify;">' ..
          '<span style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';padding:0 0.5em 0 0;position:relative;text-align:justify;z-index:2;"><p>',
        '</p></span></div><div style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';position:absolute;left:0;bottom:0;width:5em;height:1em;z-index:1;"></div>' ..
          '<div style="overflow:hidden;position:absolute;right:0;bottom:0;text-align:right;white-space:nowrap;width:100%;z-index:0;">' ..
          '<span style="float:left;letter-spacing:' .. (args['leaderspacing'] or '4px') .. ';">' ..
          string.rep((args['leadersym'] or '.'),(args['leaderrepeat'] or 384)) ..
          '</span></div></td>'
    }

    local hi5CellTags = { -- additional HTML tags to wrap around a "wide hanging indent" table cell
        '<td style="padding-left:5em;text-indent:-5em;text-align:justify;">',
        '</td>'
    }

    local hi5doTags = { -- additional HTML tags to wrap around a wide "hanging indent/dot leader" table cell
        '<td style="position:relative;"><div style="padding-left:5em;text-indent:-5em;text-align:justify;">' ..
          '<span style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';padding:0 0.5em 0 0;position:relative;text-align:justify;z-index:2;">',
        '</span></div><div style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';position:absolute;left:0;bottom:0;width:5em;height:1em;z-index:1;"></div>' ..
          '<div style="overflow:hidden;position:absolute;right:0;bottom:0;text-align:right;white-space:nowrap;width:100%;z-index:0;">' ..
          '<span style="float:left;letter-spacing:' .. (args['leaderspacing'] or '4px') .. ';">' ..
          string.rep((args['leadersym'] or '.'),(args['leaderrepeat'] or 384)) ..
          '</span></div></td>'
    }

    local hiNdoTags = { -- additional HTML tags to wrap around a wide "hanging indent/dot leader" table cell
        '<td style="position:relative;"><div style="padding-left:$DEPTH$;text-indent:-$DEPTH$;text-align:justify;">' ..
          '<span style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';padding:0 0.5em 0 0;position:relative;text-align:justify;z-index:2;">',
        '</span></div><div class="ws-noexport" style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';position:absolute;left:0;bottom:0;width:$DEPTH$;height:1em;z-index:1;"></div>' ..
          '<div class="ws-noexport" style="overflow:hidden;position:absolute;right:0;bottom:0;text-align:right;white-space:nowrap;width:100%;z-index:0;">' ..
          '<span style="float:left;letter-spacing:' .. (args['leaderspacing'] or '4px') .. ';">' ..
          string.rep((args['leadersym'] or '.'),(args['leaderrepeat'] or 384)) ..
          '</span></div></td>'
    }

    local hiNdosTags = { -- additional HTML tags to wrap around hanging-description portion of a wide "hanging indent/dot leader" table cell
        '<td style="position:relative;"><div style="padding-left:$DEPTH$;text-indent:-$DEPTH$;text-align:justify;">' ..
          '<span style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';padding:0 0.5em 0 0;position:relative;text-align:justify;z-index:2;">',
        '</span>'
    }

    local hiNdoeTags = { -- additional HTML tags to wrap around undercut page portion of a wide "hanging indent/dot leader" table cell
        '<span style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';float:right;padding:0 0 0 calc( $DEPTH$ + 0.5em );position:relative;text-align:right;white-space:nowrap;width:$PGWIDTH$;z-index:2;">',
        '</span></div><div class="ws-noexport" style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';position:absolute;left:0;bottom:0;width:$DEPTH$;height:1em;z-index:1;"></div>' ..
          '<div class="ws-noexport" style="overflow:hidden;position:absolute;right:0;bottom:0;text-align:right;white-space:nowrap;width:100%;z-index:0;">' ..
          '<span style="float:left;letter-spacing:' .. (args['leaderspacing'] or '4px') .. ';">' ..
          string.rep((args['leadersym'] or '.'),(args['leaderrepeat'] or 384)) ..
          '</span></div></td>'
    }

    local hi72CellTags = { -- additional HTML tags to wrap around an indented "hanging indent" table cell with Page clearance
        '<td style="padding-left:8em;padding-right:2em;text-indent:-1em;text-align:justify;">',
        '</td>'
    }

    local unfCellTags = { -- additional HTML tags to wrap around an "unformatted" table cell
        '<td>',
        '</td>'
    }

    local chprCellTags = { -- additional HTML tags to wrap around a right-aligned, minimal-width table cell
        '<td style="padding-right:1em;white-space:nowrap;width:5em;text-align:right;vertical-align:top;">',
        '</td>'
    }

    local chpr0CellTags = { -- additional HTML tags to wrap around a right-aligned (unpadded), minimal-width table cell
        '<td style="white-space:nowrap;width:5em;text-align:right;vertical-align:top;">',
        '</td>'
    }

    local chp2CellTags = { -- additional HTML tags to wrap around a indented, right-aligned, 3em-width table cell
        '<td style="padding-left:2em;padding-right:1em;white-space:nowrap;width:3em;text-align:right;vertical-align:top;">',
        '</td>'
    }

    local chpMCellTags = { -- additional HTML tags to wrap around a right-aligned, controlled-minimal-width table cell
        '<td style="padding-right:1em;white-space:nowrap;width:$CHWIDTH$;text-align:right;vertical-align:top;">',
        '</td>'
    }

    local pagCellTags = { -- additional HTML tags to wrap around a "page number" table cell
        '<td style="white-space:nowrap;width:2em;text-align:right;vertical-align:bottom;">',
        '</td>'
    }

    local paPCellTags = { -- additional HTML tags to wrap around a controlled-width "page number" table cell
        '<td style="white-space:nowrap;width:$PGWIDTH$;text-align:right;vertical-align:bottom;">',
        '</td>'
    }

    local l12CellTags = { -- additional HTML tags to wrap around "left" component of runningheader 5-item table cell
        '<td style="width:12.5%;">',
        '</td>'
    }

    local l20CellTags = { -- additional HTML tags to wrap around "left" component of runningheader 4-item table cell
        '<td style="width:20%;">',
        '</td>'
    }

    local l33CellTags = { -- additional HTML tags to wrap around "left" component of runningheader 3-item table cell
        '<td style="width:33%;">',
        '</td>'
    }

    local c25CellTags = { -- additional HTML tags to wrap around "central" components of runningheader 5-item table cell
        '<td style="text-align:center;width:12.5%;">',
        '</td>'
    }

    local c30CellTags = { -- additional HTML tags to wrap around "central" components of runningheader 4-item table cell
        '<td style="text-align:center;width:20%;">',
        '</td>'
    }

    local c33CellTags = { -- additional HTML tags to wrap around "central" component of runningheader 3-item table cell
        '<td style="text-align:center;width:33%;">',
        '</td>'
    }

    local r12CellTags = { -- additional HTML tags to wrap around "right" component of runningheader 5-item table cell
        '<td style="text-align:right;width:12.5%;">',
        '</td>'
    }

    local r20CellTags = { -- additional HTML tags to wrap around "right" component of runningheader 4-item table cell
        '<td style="text-align:right;width:20%;">',
        '</td>'
    }

    local r33CellTags = { -- additional HTML tags to wrap around "right" component of runningheader 3-item table cell
        '<td style="text-align:right;width:33%;">',
        '</td>'
    }

    local dotoutTags = { -- additional HTML tags to wrap around "dot-leader" table cell
        '<td style="position:relative;"><div style="text-align:justify;">' ..
          '<span style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';padding:0 0.5em 0 0;position:relative;text-align:justify;z-index:2;">',
        '</span></div>' ..
          '<div class="ws-noexport" style="overflow:hidden;position:absolute;right:0;bottom:0;text-align:right;white-space:nowrap;width:100%;z-index:0;">' ..
          '<span style="float:left;letter-spacing:' .. (args['leaderspacing'] or '4px') .. ';">' ..
          string.rep((args['leadersym'] or '.'),(args['leaderrepeat'] or 384)) ..
          '</span></div></td>'
    }
 
    local dotouSTags = { -- additional HTML tags to wrap around initial portion of "dot-leader" table cell
        '<td style="position:relative;"><div style="text-align:justify;">' ..
          '<span style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';padding:0 0.5em 0 0;position:relative;text-align:justify;z-index:2;">',
        '</span></div></td><td style="width:2em;text-align:right;vertical-align:bottom;">&nbsp;</td>'
    }
 
     local dotouETags = { -- additional HTML tags to wrap around terminal portion of "dot-leader" table cell
        '<td style="position:relative;"><div style="padding-left:5em;text-indent:0;text-align:justify;">' ..
          '<span style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';padding:0 0.5em 0 0;position:relative;text-align:justify;z-index:2;">',
        '</span></div><div style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';position:absolute;left:0;bottom:0;width:5em;height:1em;z-index:1;"></div>' ..
          '<div class="ws-noexport" style="overflow:hidden;position:absolute;right:0;bottom:0;text-align:right;white-space:nowrap;width:100%;z-index:0;">' ..
          '<span style="float:left;letter-spacing:' .. (args['leaderspacing'] or '4px') .. ';">' ..
          string.rep((args['leadersym'] or '.'),(args['leaderrepeat'] or 384)) ..
          '</span></div></td>'
    }

    local dotldoTags = { -- additional HTML tags to wrap around configurable "dot-leader" table cell and content component span
        '<td style="position:relative;"><div style="text-align:justify;">' ..
          '<span style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';padding:0 0.5em 0 0;position:relative;text-align:justify;z-index:2;">',
        '</span></div>'
    }
 
    local dotleaTags = { -- additional HTML tags to wrap around "dot-leader"/excess-filler table cell component span
        '<div class="ws-noexport" style="overflow:hidden;position:absolute;right:0;bottom:0;text-align:right;white-space:nowrap;width:100%;z-index:0;">' ..
          '<span style="float:left;letter-spacing:' .. (args['leaderspacing'] or '4px') .. ';">',
        '</span></div></td>'
    }
 
    local dotoPsTags = { -- additional HTML tags to wrap around first portion of "dot-leader" with embedded page table cell
        '<td style="position:relative;"><div style="text-align:justify;">' ..
          '<span style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';padding:0 0.5em 0 0;position:relative;text-align:justify;z-index:2;">',
        '</span>'
    }
 
    local dotoPeTags = { -- additional HTML tags to wrap around final portion of "dot-leader" with embedded page table cell
        '<span style="background:' .. (args['leaderbgcolour'] or args['leaderbgcolor'] or 'white') ..
          ';float:right;padding:0 0 0 0.5em;position:relative;text-align:right;z-index:2;">',
        '</span></div>' ..
          '<div class="ws-noexport" style="overflow:hidden;position:absolute;right:0;bottom:0;text-align:right;white-space:nowrap;width:100%;z-index:0;">' ..
          '<span style="float:left;letter-spacing:' .. (args['leaderspacing'] or '4px') .. ';">' ..
          string.rep((args['leadersym'] or '.'),(args['leaderrepeat'] or 384)) ..
          '</span></div></td>'
    }
 
    local dec2Tags = { -- additional HTML tags to wrap around a right-aligned, minimal-width table cell
        '<td style="padding-right:1em;white-space:nowrap;width:1em;text-align:right;vertical-align:top;">',
        '</td>'
    }
 
    local modelTab = {
        ["D"] = {   -- default layout
            use    =1,          -- absorbs a single argument only
            wrap   =nil,        -- no enclosing structures required
            proc   =emit,       -- function to output standalone description with no separate page numbers
            para   =nil         -- no details required
        },
        ["DP"] = {   -- unformatted description; right-justified page layout
            use    =2,          -- absorbs two arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =unfCellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["H5P"] = {   -- wide hanging indented description; right-justified page layout
            use    =2,          -- absorbs two arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =hi5CellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["2H3P"] = {   -- indented hanging indented description; right-justified page layout
            use    =2,          -- absorbs two arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =hi23CellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["2H3P/s"] = {   -- indented hanging indented description (initial part; crosses page); right-justified page layout
            use    =1,          -- absorbs single argument
            wrap   =detailTags, -- table enclosing row
            proc   =cdlSwrap,   -- only close wrapping in Page: or demo name spaces
            para   ={
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     ='p',       -- flag wrap as namespace dependent to cdlSwrap
                            wrap    =hi23sCelTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["2H3P/e"] = {   -- indented hanging indented description (terminal part; crosses page); right-justified page layout
            use    =2,          -- absorbs two arguments
            wrap   =detailTags, -- table enclosing row
            proc   =cdlEwrap,   -- only open wrapping in Page: or demo name spaces
            para   ={
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     ='p',		-- flag wrap as namespace dependent to cdlEwrap
                            wrap    =hi23eCelTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- cdlEwrap always wraps this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["CDP"] = {   -- chapter + unformatted description followed right-justified page layout
            use    =3,          -- absorbs three arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Chapter: upper-right-aligned within minimal-width column
                            use     =0,         -- fmtNCells discards this value
                            wrap    =chprCellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =unfCellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["D.P"] = {   -- unformatted description followed by right-lower-dot leader; right-justified page layout
            use    =2,          -- absorbs two arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =dotoutTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["H5.P"] = {   -- wide hanging indented description; right-justified page layout
            use    =2,          -- absorbs two arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =hi5doTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["Hn.P"] = {   -- wide hanging indented description; right-justified page layout
            use    =2,          -- absorbs two arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =hiNdoTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["Hn.upP"] = {   -- wide hanging indented description; undercut controlled-width right-justified page layout
            use    =2,          -- absorbs two arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =hiNdosTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: undercut controlled-width right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =hiNdoeTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["2H3.P"] = {   -- indented hanging indented description; right-justified page layout
            use    =2,          -- absorbs two arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =hi23doTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["2H3.P/s"] = {   -- indented hanging indented description (initial part; crosses page); right-justified page layout
            use    =1,          -- absorbs single argument
            wrap   =detailTags, -- table enclosing row
            proc   =cdlSwrap,   -- only close wrapping in Page: or demo name spaces
            para   ={
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     ='p',       -- flag wrap as namespace dependent to cdlSwrap
                            wrap    =hi23sCelTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["2H3.P/e"] = {   -- indented hanging indented description (terminal part; crosses page); right-justified page layout
            use    =2,          -- absorbs two arguments
            wrap   =detailTags, -- table enclosing row
            proc   =cdlEwrap,   -- only open wrapping in Page: or demo name spaces
            para   ={
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     ='p',       -- flag wrap as namespace dependent to cdlEwrap
                            wrap    =hi23edoTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- cdlEwrap always wraps this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["D?P"] = {   -- unformatted description followed by right-lower-dot selectable symbol leader; right-justified page layout
            use    =3,          -- absorbs three arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Description followed by symbol-selectable leader in same table cell
                            use     =0,         -- fmtNCells discards this value
                            wrap    =dotldoTags,
                            proc    =emit,
                            para    =nil
                        },
                        {			-- second argument: leader symbol to be repeated
                            use     =0,			-- fmtNCells discards this value
                            wrap    =dotleaTags,
                            proc    =emit384,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                	}
        },
        ["CD.P"] = {   -- chapter + unformatted description followed by right-lower-dot leader; right-justified page layout
            use    =3,          -- absorbs three arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Chapter: right-aligned within minimal-width column
                            use     =0,         -- fmtNCells discards this value
                            wrap    =chprCellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =dotoutTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["CD.uP"] = {   -- chapter + unformatted description followed by right-lower-dot leader; right-justified (undercut) page layout
            use    =3,          -- absorbs three arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Chapter: right-aligned within minimal-width column
                            use     =0,         -- fmtNCells discards this value
                            wrap    =chprCellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =dotoPsTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =dotoPeTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["C5D.P"] = {   -- variant of CD.P with no padding following Chapter
            use    =3,          -- absorbs three arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Chapter: right-aligned within minimal-width column
                            use     =0,         -- fmtNCells discards this value
                            wrap    =chpr0CellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =dotoutTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["2CD.P"] = {   -- chapter + unformatted description followed by right-lower-dot leader; right-justified page layout
            use    =3,          -- absorbs three arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Chapter: right-aligned within minimal-width column
                            use     =0,         -- fmtNCells discards this value
                            wrap    =chp2CellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =dotoutTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["CD.P/s"] = {   -- chapter + unformatted description (presumed incomplete)
            use    =2,          -- absorbs two arguments
            wrap   =detailTags, -- table enclosing row
            proc   =cdlSwrap,   -- only close wrapping in Page: or demo name spaces
            para   ={
                        {           -- Chapter: right-aligned within minimal-width column
                            use     =0,         -- cdlSwrap always wraps this value
                            wrap    =chprCellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     ='p',       -- flag wrap as namespace dependent to cdlSwrap
                            wrap    =dotouSTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["CD.P/e"] = {   -- (remainder of) unformatted description followed by right-lower-dot leader; right-justified page layout
            use    =2,          -- absorbs two arguments
            wrap   =detailTags, -- table enclosing row
            proc   =cdlEwrap,   -- only open wrapping in Page: or demo name spaces
            para   ={
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     ='p',		-- flag wrap as namespace dependent to cdlEwrap
                            wrap    =dotouETags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,			-- cdlEwrap always outputs this portion
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["CH2.P"] = {   -- chapter + large hanging indented description followed by right-lower-dot leader; right-justified page layout
            use    =3,          -- absorbs three arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Chapter: right-aligned within controlled minimal-width column
                            use     =0,         -- fmtNCells discards this value
                            wrap    =chprCellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =hi2doTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["mCHn.pP"] = {   -- controlled-width chapter + controlled-depth hanging indented description followed by right-lower-dot leader; controlled-width right-justified page layout
            use    =3,          -- absorbs three arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Chapter: right-aligned within minimal-width column
                            use     =0,         -- fmtNCells discards this value
                            wrap    =chpMCellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =hiNdoTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =paPCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["mCHn.upP"] = {   -- wide hanging indented description; undercut controlled-width right-justified page layout
            use    =3,          -- absorbs two arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Chapter: right-aligned within minimal-width column
                            use     =0,         -- fmtNCells discards this value
                            wrap    =chpMCellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =hiNdosTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: undercut controlled-width right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =hiNdoeTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["l"] = {   -- left-align items only layout (same as "D" model)
            use    =1,          -- absorbs a single argument only
            wrap   =nil,        -- no enclosing structures required
            proc   =emit,       -- function to output standalone description with no separate page numbers
            para   =nil         -- no details required
        },
        ["c"] = {   -- centre single item only layout
            use    =1,           -- absorbs a single argument only
            wrap   =detailTags,  -- table enclosing row
            proc   =fmtCell,     -- create and apply tags to new table cell
            para   ={
                        use     =0,         -- fmtCell discards this value
                        wrap    =ctrCellTags,
                        proc    =emit,
                        para    =nil
                }
        },
        ["j"] = {   -- justified single item only layout
            use    =1,           -- absorbs a single argument only
            wrap   =detailTags,  -- table enclosing row
            proc   =fmtCell,     -- create and apply tags to new table cell
            para   ={
                        use     =0,         -- fmtCell discards this value
                        wrap    =jstCellTags,
                        proc    =emit,
                        para    =nil
                }
        },
        ["r"] = {   -- right-align single item only layout
            use    =1,           -- absorbs a single argument only
            wrap   =detailTags,  -- table enclosing row
            proc   =fmtCell,     -- create and apply tags to new table cell
            para   ={
                        use     =0,         -- fmtCell discards this value
                        wrap    =rgtCellTags,
                        proc    =emit,
                        para    =nil
                }
        },
        ["h"] = {   -- hanging indent single item layout
            use    =1,           -- absorbs a single argument only
            wrap   =detailTags,  -- table enclosing row
            proc   =fmtCell,     -- create and apply tags to new table cell
            para   ={
                        use     =0,         -- fmtCell discards this value
                        wrap    =hi1CellTags,
                        proc    =emit,
                        para    =nil
                }
        },
        ["7h2"] = {   -- wide indented hanging indent single item layout with page clearance
            use    =1,           -- absorbs a single argument only
            wrap   =detailTags,  -- table enclosing row
            proc   =fmtCell,     -- create and apply tags to new table cell
            para   ={
                        use     =0,         -- fmtCell discards this value
                        wrap    =hi72CellTags,
                        proc    =emit,
                        para    =nil
                }
        },
        ["lcr"] = {   -- {{RunningHeader}} lookalike layout
            use    =3,          -- absorbs three arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- left component
                            use     =0,         -- fmtNCells discards this value
                            wrap    =l33CellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- centred component
                            use     =0,         -- fmtNCells discards this value
                            wrap    =c33CellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- right component
                            use     =0,         -- fmtNCells discards this value
                            wrap    =r33CellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["lr"] = {    -- Two columns: first is left-aligned, second is right-aligned
            use    =2,          -- absorbs two arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- left component
                            use     =0,         -- fmtNCells discards this value
                            wrap    =l33CellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- right component
                            use     =0,         -- fmtNCells discards this value
                            wrap    =r33CellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["lccr"] = {   -- {{RunningHeader}} lookalike layout
            use    =4,          -- absorbs four arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- left component
                            use     =0,         -- fmtNCells discards this value
                            wrap    =l20CellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- centred component
                            use     =0,         -- fmtNCells discards this value
                            wrap    =c30CellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- centred component
                            use     =0,         -- fmtNCells discards this value
                            wrap    =c30CellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- right component
                            use     =0,         -- fmtNCells discards this value
                            wrap    =r20CellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["lcccr"] = {   -- {{rh/5}} lookalike layout
            use    =5,          -- absorbs five arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- left component
                            use     =0,         -- fmtNCells discards this value
                            wrap    =l12CellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- centred component
                            use     =0,         -- fmtNCells discards this value
                            wrap    =c25CellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- centred component
                            use     =0,         -- fmtNCells discards this value
                            wrap    =c25CellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- centred component
                            use     =0,         -- fmtNCells discards this value
                            wrap    =c25CellTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- right component
                            use     =0,         -- fmtNCells discards this value
                            wrap    =r12CellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        },
        ["DD.P"] = {   -- unformatted description followed by right-lower-dot leader + right-aligned description; right-justified page layout
            use    =3,          -- absorbs three arguments
            wrap   =detailTags, -- table enclosing row
            proc   =fmtNCells,  -- create and apply tags to multiple cells
            para   ={
                        {           -- Description: wrapped cell content but with no overt formatting applied
                            use     =0,         -- fmtNCells discards this value
                            wrap    =dotoutTags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Second Description:  right-aligned within minimal-width column
                            use     =0,         -- fmtNCells discards this value
                            wrap    =dec2Tags,
                            proc    =emit,
                            para    =nil
                        },
                        {           -- Page: right-lower-aligned cell with content wraparound suppressed
                            use     =0,         -- fmtNCells discards this value
                            wrap    =pagCellTags,
                            proc    =emit,
                            para    =nil
                        }
                }
        }
    }

    local needheader = true
    local needfooter = true
    local needbody = true
    local html = '' -- output buffer; initially empty
    local mainhtml = nil -- committed output buffer (in case demo space expectation diverges from 'html' above)
    local modelranges = {}  -- array of ([row]-->modelspec strings; initially empty
    local ribbonranges = {} -- array of ([row]-->demospace directives; initially empty
    local styleranges = {}  -- array of ([row]-->row styling directives; initially empty

    -- extract maximum unnamed argument index
    local cellcount = table.getn(args)

    -- tracking
    if isnotempty(args['leadersym']) then
         html = html .. '[[Category:Pages using a custom leader in TOC or Index content]]'
    end
    if isnotempty(args['leaderrepeat']) then
         html = html .. '[[Category:Pages using a custom leader repeat in TOC or Index content]]'
    end
    if isnotempty(args['leaderspacing']) then
         html = html .. '[[Category:Pages using a custom leader spacing in TOC or Index content]]'
    end
    if isnotempty(args['leaderbgcolor']) then
         html = html .. '[[Category:Pages using a custom leader color in TOC or Index content]]'
    end

    if isnotempty(args['debugArgs']) then
         html = html .. '<p style="margin-left:0;text-indent:0;"><strong>Raw Argument Dump</strong>'
    end
 
    -- compute the maximum cell index (Depressing: cannot trust table.getn() in frame context)
    -- Also: dump argument details if 'debugArgs' selected
    -- Also: pass 1 to determine "range m to n" model specifications
    -- Also: pass 1 to determine "range m to n" pageribbon overrides
    for k, v in pairs( args ) do	-- pairs appears to access in hash order only(?)
    	if isnotempty(args['debugArgs']) then -- I know: access args to determine whether to dump args!
    		html = html .. '<br/>args(' .. k .. ':type("' .. type(k) .. '"): contains [' .. v .. ']:type("' .. type(v) .. '")'
    	end
    		
        if type(k) == 'number' then
            if cellcount < k then
                cellcount = k
            end
        elseif type(k) == 'string' then
          	local rnglow
           	local rnghigh

           	rnglow, rnghigh = k:match( '^%s*row(%d+)to(%d+)model%s*$' )
           	if rnglow == nil or rnghigh == nil then
           		rnglow, rnghigh = k:match( '^%s*row(%d+)%-(%d+)model%s*$' )
           	end
           	if rnglow and rnghigh then -- only if neither are nil
           		if tonumber(rnglow) > tonumber(rnghigh) then	-- swap if order choice was perverse
           			rnglow, rnghigh = rnghigh, rnglow
           		end
            		
           		for rrow = rnglow, rnghigh, 1 do
           			modelranges[rrow] = v
           		end
        	end
        	
			rnglow, rnghigh = k:match( '^%s*row(%d+)to(%d+)pageribbon%s*$' )
           	if rnglow == nil or rnghigh == nil then
           		rnglow, rnghigh = k:match( '^%s*row(%d+)%-(%d+)pageribbon%s*$' )
           	end
           	if rnglow and rnghigh then -- only if neither are nil
           		if tonumber(rnglow) > tonumber(rnghigh) then	-- swap if order choice was perverse
           			rnglow, rnghigh = rnghigh, rnglow
           		end
            		
           		for rrow = rnglow, rnghigh, 1 do
           			ribbonranges[rrow] = v
           		end
        	end
        	
			rnglow, rnghigh = k:match( '^%s*row(%d+)to(%d+)style%s*$' )
           	if rnglow == nil or rnghigh == nil then
           		rnglow, rnghigh = k:match( '^%s*row(%d+)%-(%d+)style%s*$' )
           	end
           	if rnglow and rnghigh then -- only if neither are nil
           		if tonumber(rnglow) > tonumber(rnghigh) then	-- swap if order choice was perverse
           			rnglow, rnghigh = rnghigh, rnglow
           		end
            		
           		for rrow = rnglow, rnghigh, 1 do
           			styleranges[rrow] = v
           		end
        	end
        end
    end

    if isnotempty(args['debugArgs']) then
         html = html .. '</p>'
    end
    
    -- Now, sadly the above process has to be largely repeated to:
    -- "correct" modelranges for "multiple single row" specifications
    -- "correct" ribbonranges for "multiple single row" overrides
    -- "correct" styleranges for "multiple single row" overrides
    for k, v in pairs( args ) do
    	if type(k) == 'string' then
    		local extract = k:match( '^%s*row(%d+,.-%d+)model%s*$' )
    		
    		while extract do -- only if valid content extracted
    			local rrow
    			
    			rrow, extract = extract:match( '^(%d+),?(.-%d-)$' )
    			if rrow then
    				modelranges[tonumber(rrow)] = v
    			end
			end
		
			extract = k:match( '^%s*row(%d+,.-%d+)pageribbon%s*$' )
			
			while extract do -- only if valid content extracted
				local rrow
				
				rrow, extract = extract:match( '^(%d+),?(.-%d-)$' )
				if rrow then
					ribbonranges[tonumber(rrow)] = v
				end
			end
		
			extract = k:match( '^%s*row(%d+,.-%d+)style%s*$' )
			
			while extract do -- only if valid content extracted
				local rrow
				
				rrow, extract = extract:match( '^(%d+),?(.-%d-)$' )
				if rrow then
					styleranges[tonumber(rrow)] = v
				end
			end
		end
	end

    if isnotempty(args['starting']) then
        needheader = true
        needfooter = false
    end

    if isnotempty(args['continuing']) then
        needheader = false
        needfooter = false
    end

    if isnotempty(args['completing']) then
        needheader = false
        needfooter = true
    end

    if isnotempty(args['header']) then
        needheader = true
        needbody = false
        needfooter = false
    end

    if isnotempty(args['footer']) then
        needheader = false
        needbody = false
        needfooter = true
    end

    if needheader then
    	local outerCSS = otDefCSS	-- prefill default
    	
    	local classList = 'table-of-contents ws-summary'
    	
    	if isnotempty(args['compact']) then
    		outerCSS = otCptCSS		-- override with narrower centred layout if chosen
    	end

		if isnotempty(args['class']) then  -- prepend any additional CSS classes
	    	classList = classList .. ' ' .. args['class']
	    end
	    
	    outerCSS = ' class="' .. classList .. '"' .. outerCSS

	    if isnotempty(args['width']) then	-- a specified width implies centring (auto left/right margins) will be needed
	    									-- probably silly (but not an error) to have selectedi "compact" option as well	
	    	outerCSS = mw.ustring.gsub(outerCSS, 'margin:0;', 'margin:0 auto 0 auto;')
	    	outerCSS = mw.ustring.gsub(outerCSS, '"$', 'width:' .. args['width'] .. ';"')
	    end

	    if isnotempty(args['style']) then  -- user styling will always be applied *after* defaults
	    	outerCSS = mw.ustring.gsub(outerCSS, '"$', args['style'] .. ';"')
	    end
    	
	    -- yes strictly html is empty at this point (but allow for debugging prefill)
	    html = html .. mw.ustring.gsub(outerTags[1], '%$CSS%$', outerCSS)
    end

    if cellcount~=0 then -- nothing whatsoever to do if no unnamed arguments presented

        if needbody then
    	    local index = 1
            local row = 0
            local defmodel = 'D'

            if isnotempty(args['model']) then
                defmodel = args['model']
            end

            while index <= cellcount do
            	mainhtml = nil
            	
                row =  row + 1
        
                local model = defmodel
                local outRow = isRibbonAllowed(args['row' .. tostring(row) .. 'pageribbon'],
                	ribbonranges[row],
                	args['demoSpace'])
                	
                if modelranges[row] then
                	model = modelranges[row]
                end
        
                if isnotempty(args['row' .. tostring(row) .. 'model']) then
                    model = args['row' .. tostring(row) .. 'model']
                end

                -- start a new row
                if outRow then
                	local openTags = rowTags[1]
                	
                	if isnotempty(args['row' .. tostring(row) .. 'style']) then
                		openTags = mw.ustring.gsub(openTags, '">', args['row' .. tostring(row) .. 'style'] .. ';">')
                	elseif styleranges[row] then
                		openTags = mw.ustring.gsub(openTags, '">', styleranges[row] .. ';">')
                	end
                	
	                html = html .. openTags
	            end

    	        if modelTab[model] then
        	        if modelTab[model].wrap and
                        outRow then
            	            html = html .. modelTab[model].wrap[1]
                	end
                    if modelTab[model].proc then
                        local item
                        
	                    index, item = modelTab[model].proc(args,index,modelTab[model].use,modelTab[model].para)

	                    if (modelTab[model].proc == cdlEwrap) and not isDemoSpace(args['demoSpace']) then
	                    	html = '' -- restart HTML build if processing '.../e' model
	                    end
	                    
                        if outRow then
    	                    html = html .. item
    	                end
        	        end
            	    if modelTab[model].wrap then

            	    	if (modelTab[model].proc == cdlSwrap) and not isDemoSpace(args['demoSpace']) then
            	    		mainhtml = html -- preserve unclosed wrap state
            	    	end
            	    	
                        if outRow then
                	        html = html .. modelTab[model].wrap[2]
                	    end
                    end
	            else -- unsupported model specified? Just give up and issue first error observed
    	            return '<br/><strong class="error">Invalid model: "' ..
        	                model ..
            	            '" apparently requested on behalf of row ' ..
                	        row ..
                    	    '?</strong>'
                end
        
	            -- terminate row
	            if outRow then
    	            html = html .. rowTags[2]
    	        end
            end
        end
    end

    if needfooter then
        html = html .. outerTags[2]
    end

    -- generalised depth hanging indent/width of chapter, page
    if mainhtml then
	    mainhtml = mw.ustring.gsub(mainhtml, '%$CHWIDTH%$', args['chapter-width'] or '5em')
	    mainhtml = mw.ustring.gsub(mainhtml, '%$DEPTH%$', args['depth'] or '5em')
	    mainhtml = mw.ustring.gsub(mainhtml, '%$PGWIDTH%$', args['page-width'] or '2em')
	end
    html = mw.ustring.gsub(html, '%$CHWIDTH%$', args['chapter-width'] or '5em')
    html = mw.ustring.gsub(html, '%$DEPTH%$', args['depth'] or '5em')
    html = mw.ustring.gsub(html, '%$PGWIDTH%$', args['page-width'] or '2em')

    -- return generated html
    if isDemoSpace(args['demoSpace']) then
		return html
	else
		return mainhtml or html
	end
end

return p