Andy Kopra
59c1599bc9
kdesc gains --coverage, which reports for every klammer the set of targets it can render to, and — the point of it — which klammers' coverage cannot be derived and must therefore be declared. Three rules: coverage is DERIVED where the definitions determine it (a general body of klammer calls covers the intersection of what those klammers cover, by a greatest fixpoint after loading), DECLARED where the engine cannot interpret what decides it (an @eval body, whose targets are undecidable), and UNKNOWN where nothing is written — which never means "deliberately unavailable". Two new spellings in a definition's name. A comma-separated target list, "@@table.html,tex :: ...", gives one body several targets; it is surface syntax, expanded at registration, and each member goes through the redefinition rules on its own. And "@@date.* :: ..." writes the general target out, asserting that the klammer works for EVERY target including ones not yet defined — a stronger claim than a list of the targets defined today, and the one target declaration that could be mechanically falsified. The Standard Klammer Set was swept accordingly: it now has no general definitions at all, every klammer names the targets it serves, six use ".*", and tex and pdf are at zero undecided. kdesc's flags are reorganised on two rules: a flag reached for often gets a single letter (-k klammers, -t targets, -c characters, -i input), a more specialised topic a multi-letter name (--argtypes, --katoms, --rewrite, --optionsets, --coverage, --klammerset, --font); and -v says how much to show about PROCESSING, never what the RESULT contains — so the katom regex column is "--katoms full" and the coverage detail "--coverage all". NOTE: "-k" now lists klammers (optionally filtered by a name/description search); the katom table moved to "--katoms". Fixes carried along: an option written with no value crashed the command with SIGSEGV instead of reporting the mistake; two required positional arguments never parsed; kdesc and kdiag printed an error and exited 0; and definition diagnostics counted registrations rather than what was written, so one line could be reported as two definitions and then printed twice. Four new test suites: target_list, coverage, command_option, kdesc. (from dev 46f54080bd9a)
138 lines
3.5 KiB
Plaintext
138 lines
3.5 KiB
Plaintext
#[
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A paragraph is a document-structural object, like a section or a table of
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contents, and making paragraphs is a service @document provides: inside a
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@document, blank-line-separated text becomes paragraphs (the LaTeX
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convention) and @par need not be written. @par is the explicit form, for
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a text FRAGMENT rendered without a @document, where nothing infers them.
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Written inside a @document it is harmless: html sees a <p>, which the
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paragraph pass recognizes as a block and leaves alone, and \par in
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vertical mode is a no-op.
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]#
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@@par.k s : A paragraph of text @@
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@@par.html :: <p>*s*</p> @@
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@@par.tex ::
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\par
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*s*
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\par
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@@
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# In plain text a paragraph is delimited by blank lines, which
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# phases.justify_blocks then fills; #/2 inserts them without depending on
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# the definition body's own whitespace surviving extraction.
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@@par.txt :: #/2*s*#/2 @@
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@@sp.k : Non-breaking space character @@
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@@sp.html :: &^#160; @@
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@@sp.tex :: ~ @@
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# TODO: Easy in LaTeX; how to handle in HTML and plain text?
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# @@footnote.k s : Footnote (TBD) @@
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# @@footnote :: [*s*] @@
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@@indent.k s :w.int 3 :linebreak.bool false : Indented block @@
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@@indent.html,tex,txt :: @eval block.Indent(K) eval@ @@
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@@quote.k s :w.int 1 :source : Quotation block @@
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@@quote.html ::
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<div class="quote">
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*s*
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</div>
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@@
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@@quote.tex ::
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\quoteblock{*s*}{*source*}
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@@
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@@quote.txt ::
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@eval block.block_indent(K) eval@
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@@
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@@note.k s :label Note :color 1.0,1.0,0.9 :bordercolor 0.2,0.2,0.2 :level.int 0 :width
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: Rectangular block for a special note @@
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@@note.html,tex :: @eval block.Note(K) eval@ @@
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@@center.k s : Center text @@
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@@center.tex ::
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\begin{center}
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*s*
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\end{center}
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@@
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@@center.html ::
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<div class="center">
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*s*
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</div>
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@@
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@@right.k s : Right-justified text @@
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@@right.html ::
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<b>TBD</b> *s*
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@@
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@@right.tex ::
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\begin{flushright}
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*s*
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\end{flushright}
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@@
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@@nl.k : Newline character @@
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@@nl.html :: <br> @@
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@@nl.tex :: \newline @@
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@@nl.txt :: \n @@
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@@newpage.k : Start new page @@
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@@newpage.html :: @@
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@@newpage.tex :: \newpage @@
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@@newpage.txt :: @@
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@@extendpage.k linecount : Extenad current page @@
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@@extendpage.html :: @@
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@@extendpage.tex :: \enlargethispage{*linecount*\baselineskip} @@
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@@extendpage.txt :: @@
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@@vspace.k lines.float : Vertical space, in multiples of the current line height @@
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@@vspace.tex :: \vspace{*lines*\baselineskip} @@
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@@vspace.html :: <div style="height: *lines*lh"></div> @@
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@@vspace.txt :: @eval "__VSPACE__" * round(*lines*) @ @@
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@@vfill.k :
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Fill the vertical space so that any following text is flush with the bottom
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of the page (in HTML, the bottom of the window; once the content is taller
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than the window the space collapses, as on a full LaTeX page). Several
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vfills divide the space equally, like LaTeX's \vfill glue. In plain text,
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only makes some vertical space. @@
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@@vfill.tex :: \vfill @@
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# An empty glue div; block.css gives it flex-grow 1 and makes the text
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# column a flex column only in documents that use it (the :has() rule).
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@@vfill.html :: <div class="vfill"></div> @@
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@@vfill.txt :: @vspace 3 @ @@
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@@qa.k question | answer : Question and answer formatting @@
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@@qa.html,tex,txt ::
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@b Q: @ *question*
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@b A: @ *answer*
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@@
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@@@argtype coords | x and y coordinates :pattern 'float'\s+'float' @@@
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@@block.k : to.coords | content :width.float .5 :point.coords 0.0 0.0
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: Absolute positioning of text block @@
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@@block.tex :: @eval block.Block(K) eval@ @@
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@@lines.k s : Maintain line breaks @@
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@@lines.html,tex,txt :: @eval block.Lines(K) eval@ @@
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@@twocolumns.k s : Format *s* in two columns @@
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@@twocolumns.tex ::
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\begin{multicols}{2}
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*s*
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\end{multicols}
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@@
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