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* Split tagging into a validation part including prioritizationIngo Schwarze2020-03-137-7/+87
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | in tag.{h,c} and {mdoc,man}_validate.c and into a formatting part including command line argument checking in term_tag.{h,c}, html.c, and {mdoc|man}_{term|html}.c. Immediate functional benefits include: * Improved prioritization of automatic tags for .Em and .Sy. * Avoiding bogus automatic tags when .Em, .Fn, or .Sy are explicitly tagged. * Explicit tagging of .Er and .Fl now works in HTML output. * Automatic tagging of .IP and .TP now works in HTML output. But mainly, this patch provides clean earth to build further improvements on. Technical changes: * Main program: Write a tag file for ASCII and UTF-8 output only. * All formatters: There is no more need to delay writing the tags. * mdoc(7)+man(7) formatters: No more need for elaborate syntax tree inspection. * HTML formatter: If available, use the "string" attribute as the tag. * HTML formatter: New function to write permalinks, to reduce code duplication. Style cleanup in the vicinity while here: * mdoc(7) terminal formatter: To set up bold font for children, defer to termp_bold_pre() rather than calling term_fontpush() manually. * mdoc(7) terminal formatter: Garbage collect some duplicate functions. * mdoc(7) HTML formatter: Unify <code> handling, delete redundant functions. * Where possible, use switch statements rather than if cascades. * Get rid of some more Yoda notation. The necessity for such changes was first discussed with kn@, but i didn't bother him with a request to review the resulting -673/+782 line patch.
* Introduce the concept of nodes that are semantically transparent:Ingo Schwarze2020-02-274-3/+49
| | | | | | | | | | | | | | they are skipped when looking for previous or following high-level macros. Examples include roff(7) .ft, .ll, and .ta, mdoc(7) .Sm and .Tg, and man(7) .DT and .PD. Use this concept for a variety of improved decisions in various validators and formatters. While here, * remove a few const qualifiers on struct arguments that caused trouble; * get rid of some more Yoda notation in the vicinity; * and apply some other stylistic improvements in the vicinity. I found this class of issues while considering .Tg patches from kn@.
* adapt to new <p> output logic (html.c rev. 1.260)Ingo Schwarze2019-09-031-2/+0
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* Finally, represent the man(7) .PP and .HP macros by the naturalIngo Schwarze2019-01-064-13/+49
| | | | | | | | | | | choice, which is the <p> HTML element. On top of the previous fill-mode improvements, the key to making this possible is to automatically close the <p> when required: before headers, subsequent paragraphs, lists, indented blocks, synopsis blocks, tbl(7) blocks, and before blocks using no-fill mode. In man(7) documents, represent the .sp request by a blank line in no-fill mode and in the same way as .PP in fill mode.
* Messages of the -Wbase level now print STYLE:. Since thisIngo Schwarze2017-07-0416-24/+34
| | | | | | | | causes horrible churn anyway, profit of the opportunity to stop excessive testing, such that this is hopefully the last instance of such churn. Consistently use OpenBSD RCS tags, blank .Os, blank fourth .TH argument, and Mdocdate like everywhere else. Use -Ios=OpenBSD for platform-independent predictable output.
* cope with changes in BASE messagesIngo Schwarze2017-06-253-3/+3
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* style message about missing RCS ids; inspired by mdoclintIngo Schwarze2017-06-173-0/+3
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* if .in is used inside the .TP head, it's always relativeIngo Schwarze2017-06-173-1/+35
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* improve rounding rules for scaling unitsIngo Schwarze2017-06-141-4/+4
| | | | in horizontal orientation in the terminal formatter
* ignore blank lines in man(7) next line scope;Ingo Schwarze2017-06-034-0/+8
| | | | strange groff edge case behaviour found in multimedia/mjpegtools
* Finally port the OpenBSD regression suite.Ingo Schwarze2017-02-0828-0/+738
Both kristaps@ and wiz@ repeated asked for this, literally for years.