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* Complete rewrite of the lexer in a single function with four operationIngo Schwarze2017-06-262-242/+163
| | | | | | | | | | | | | | | | | | | | modes instead of four functions, resulting in considerable simplification, fifty lines less of code, fifteen fewer automatic variables, and several bug fixes, for example: 1. The delim control statement consumes exactly two bytes of input, requires no whitespace after these two bytes, and does not treat quotes in any special way. 2. If the argument of left, right, gfont, gsize, or size is defined as an alias, only the first word of the value is used as the delimiter, font name, or font size. 3. If a back, fwd, down, or up keyword is followed by another keyword instead of the required number, GNU eqn does nothing useful, but typically errors out. So no need to have special handling (with an ugly goto!) for it in mandoc. Also getting rid of one pointless static buffer and twelve redundant calls to strlcpy(3).
* when splitting a composite word,Ingo Schwarze2017-06-261-7/+10
| | | | do not forget to close the inserted list box
* Catch typos in .Sh names; suggested by jmc@.Ingo Schwarze2017-06-254-1/+69
| | | | | | I'm using a very simple, linear time / zero space fuzzy string matching heuristic rather than a full Levenshtein metric, to keep the code both simple and fast.
* test new MT macroIngo Schwarze2017-06-258-1/+100
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* cope with changes in BASE messagesIngo Schwarze2017-06-2516-18/+20
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* cope with changes in BASE messagesIngo Schwarze2017-06-2589-169/+253
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* cope with changes in BASE messagesIngo Schwarze2017-06-25110-183/+258
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* add support for the MT and ME mailto macros, used for example in wg(8);Ingo Schwarze2017-06-251-0/+5
| | | | patch from bentley@
* add support for the MT and ME mailto macros, used for example in wg(8);Ingo Schwarze2017-06-257-5/+38
| | | | patch from bentley@
* delete useless .Ns macro that jmc@ found with mdoclint(1)Ingo Schwarze2017-06-241-1/+1
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* document message "unknown architecture"Ingo Schwarze2017-06-241-0/+6
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* operating system dependent message about unknown architecture;Ingo Schwarze2017-06-243-0/+41
| | | | inspired by mdoclint
* delete old, undocumented, obsolete section names that nobody usesIngo Schwarze2017-06-241-6/+0
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* in the base system, suggest leaving .Os blank; inspired by mdoclintIngo Schwarze2017-06-244-0/+15
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* Split -Wstyle into -Wstyle and the even lower -Wbase, and addIngo Schwarze2017-06-2421-119/+222
| | | | | | | | | | | | | | | -Wopenbsd and -Wnetbsd to check conventions for the base system of a specific operating system. Mark operating system specific messages with "(OpenBSD)" at the end. Please use just "-Tlint" to check base system manuals (defaulting to -Wall, which is now -Wbase), but prefer "-Tlint -Wstyle" for the manuals of portable software projects you maintain that are not part of OpenBSD base, to avoid bogus recommendations about base system conventions that do not apply. Issue originally reported by semarie@, solution using an idea from tedu@, discussed with jmc@ and jca@.
* Delete .St -p1003.1-2013.Ingo Schwarze2017-06-242-6/+0
| | | | | | | It is an OpenBSD addition that did not get used a single time in three years, and groff did not pick it up either, so removing it does not affect any existing manuals anywhere. Cleanup suggested by jmc@, OK bentley@.
* Consistently treat character escape sequences as operators,Ingo Schwarze2017-06-231-8/+14
| | | | | | | | not as letters, even if their names contain letters. This is certainly not perfect, but code to recognize that \(*a is not an operator but a letter would need a huge table, or Unicode character property support, which won't happen at this time.
* eqn(1) output operator translationIngo Schwarze2017-06-231-0/+7
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* splitting a text box sometimes requires wrapping it in a listIngo Schwarze2017-06-231-1/+19
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* Stop using "mdocml" as an official name.Ingo Schwarze2017-06-233-15/+17
| | | | Prefer mandoc.bsd.lv to mdocml.bsd.lv.
* Write text boxes as <mi>, <mn>, or <mo> as appropriate,Ingo Schwarze2017-06-233-3/+51
| | | | | and write fontstyle or fontweight attributes where required. Missing features reported by bentley@.
* Simplify font handling:Ingo Schwarze2017-06-231-36/+40
| | | | | | | | | | | | | | | 1. Inherit the font attribute from the parent box, such that iteration is no longer required to find the current font. 2. For well-known function name tokens, do not insert an EQN_LISTONE box into the AST; simply set the font attribute of the text box itself that contains the name. Also improve word splitting of unquoted strings in default font mode: 3. Split between numbers and punctuation because both will soon get different HTML markup. 4. Do not split between letters. With the newly ubiquitious font attributes, all formatters will be able to figure out what to do without putting each letter into a separate box.
* Fix font selection for text boxes in the terminal formatter.Ingo Schwarze2017-06-221-8/+22
| | | | | | | | Issue reported by bentley@. The AST data structure is powerful enough that all required information can easily be provided in the parser, and no change of the formatting code is needed.
* Outside explicit font context, give every letter its own box.Ingo Schwarze2017-06-211-14/+45
| | | | | The formatters need this to correctly select fonts. Missing feature reported by bentley@.
* quoted words are not parsed for defined keysIngo Schwarze2017-06-211-11/+10
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* Recognize well-known functions names (the same that Heirloom recognizes,Ingo Schwarze2017-06-211-16/+37
| | | | | | which includes those recognized by groff) and wrap them in a roman box unless they already are in roman context. Missing feature reported by bentley@.
* KNF: remove parentheses from switch case labels; no binary changeIngo Schwarze2017-06-203-82/+82
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* Fix a regression in the previous revision:Ingo Schwarze2017-06-191-2/+6
| | | | | When there is no link description, reuse the URI. Reported by tj@ and bentley@.
* Implement appending to standard man(7) and mdoc(7) macros with .am.Ingo Schwarze2017-06-1813-141/+285
| | | | | | | | | | | | | | | | | | With roff_getstrn(), provide finer control which definitions can be used for what: * All definitions can be used for .if d tests and .am appending. * User-defined for \* expansion, .dei expansion, and macro calling. * Predefined for \* expansion. * Standard macros, original or renamed, for macro calling. Several related improvements while here: * Do not return string table entries that have explicitly been removed. * Do not create a rentab entry when trying to rename a non-existent macro. * Clear an existing rentab entry when the external interface roff_setstr() is called with its name. * Avoid trailing blanks in macro lines generated from renamed and from aliased macros. * Delete the duplicate __m*_reserved[] tables, just use roff_name[].
* style message about duplicate RCS ids; inspired by mdoclintIngo Schwarze2017-06-174-1/+12
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* style message about missing RCS ids; inspired by mdoclintIngo Schwarze2017-06-1742-19/+45
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* style message about missing RCS ids; inspired by mdoclintIngo Schwarze2017-06-1785-4/+85
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* style message about missing RCS ids; inspired by mdoclintIngo Schwarze2017-06-17116-3/+184
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* if .in is used inside the .TP head, it's always relativeIngo Schwarze2017-06-175-4/+55
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* tables leak tab settings to subsequent textIngo Schwarze2017-06-1714-0/+68
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* correct handling of blank lines after \cIngo Schwarze2017-06-177-14/+77
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* properly set the default indentationIngo Schwarze2017-06-171-4/+4
| | | | such that even pages without any .SH macros get it
* Multiple tbl(7) improvements:Ingo Schwarze2017-06-167-115/+12306
| | | | | | | | | | | | * Do not discard data that lacks a matching layout cell but remains within the number of columns of the table as a whole. * Do not insert dummy data rows for any layout row starting with a horizontal line, but only for layout rows that would discard all the data on a matching non-empty data row. * Print horizontal lines specified in the layout even if there is no matching data cell. * Improve the logic for extending vertical lines to adjacent rows, for choosing cross marks versus line segments, and some related details.
* round default width of tbl(7) text blocks in the same way as groffIngo Schwarze2017-06-154-2/+168
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* implement so-called absolute horizontal motion: \h'|...',Ingo Schwarze2017-06-145-4/+15
| | | | used for example by zoem(1)
* Naive implementation of the roff(7) .po (page offset) request.Ingo Schwarze2017-06-1411-8/+84
| | | | | | This clearly works when .po is called on the top level, but might not be sophisticated enough if people call .po inside indentation-changing contexts, but i haven't seen that in manual pages (yet :).
* add the \(ru (0.5m baseline ruler) character escape sequence,Ingo Schwarze2017-06-146-4/+6
| | | | abused by mail/nmh; groff_char(7) confirms that this really exists
* simple implementation of the roff(7) .als (macro alias) request,Ingo Schwarze2017-06-142-5/+35
| | | | sufficient for pages using po4a(1)
* let \l use the right fill characterIngo Schwarze2017-06-146-10/+48
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* improve rounding rules for scaling unitsIngo Schwarze2017-06-1423-47/+66
| | | | in horizontal orientation in the terminal formatter
* harmless, but weird typo; found with afterstep_faq(1)Ingo Schwarze2017-06-141-1/+1
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* implement the roff(7) d (macro or string defined) conditionalIngo Schwarze2017-06-145-8/+70
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* implement roff(7) .rj (right justify) requestIngo Schwarze2017-06-147-32/+39
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* implement the roff(7) \p (break output line) escape sequenceIngo Schwarze2017-06-149-9/+110
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* Partial support for the \n[an-margin] number register.Ingo Schwarze2017-06-134-2/+56
| | | | | | | | | | | | | | | Manuals autogenerated from reStructuredText are reckless enough to peek at this non-portable, implementation-dependent, highly groff-specific internal register - for no good reason, because the man(7) language natively provides in a much simpler way what they are trying to emulate here with much fragility. A full implementation would be very hard because it would require access to output-device-specific formatting data at the roff(7) preprocessor stage, which mandoc doesn't support at all. So hardcode a few magic numbers as reStructuredText expects them for terminal output. For other output modes (like HTML), code using this register is utterly broken anyway.
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