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argument parsing (in man_argv.c, man_args()), both having different bugs,
to use one common macro argument parser (in mandoc.c, mandoc_getarg()),
because from the point of view of roff, man macros are just roff macros,
hence their arguments are parsed in exactly the same way.
While doing so, fix these bugs:
* Escaped blanks (i.e. those preceded by an odd number of backslashes)
were mishandled as argument separators in unquoted arguments to
user-defined roff macros.
* Unescaped blanks preceded by an even number of backslashes were not
recognized as argument separators in unquoted arguments to man macros.
* Escaped backslashes (i.e. pairs of backslashes) were not reduced
to single backslashes both in unquoted and quoted arguments both
to user-defined roff macros and to man macros.
* Escaped quotes (i.e. pairs of quotes inside quoted arguments) were
not reduced to single quotes in man macros.
OK kristaps@
Note that mdoc macro argument parsing is yet another beast for no good
reason and is probably afflicted by similar bugs. But i don't attempt
to fix that right now because it is intricately entangled with lots of
unrelated high-level mdoc(7) functionality, like delimiter handling and
column list phrase handling. Disentagling that would waste too much
time now.
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should not flag the end of a sentence if:
1) The punctuation is followed by closing delimiters
and not preceded by alphanumeric characters, like in
"There is no full stop (.) in this sentence"
or
2) The punctuation is a child of a macro
and not preceded by alphanumeric characters, like in
"There is no full stop
.Pq \&.
in this sentence"
"looks fine" to kristaps@; tested by jmc@ and sobrado@
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ASCII_HYPH, as per normal, but were screwing up mandoc_special(). Fixed
by making mandoc_special() first check isspace() instead of ! isgraph(),
then normalise its string as it passes out. This require de-constifying
some validation routines not already de-constified (those in libman),
but that's ok, because I'd like to be pushing actions into validation
routines to save on space and redundant calculations.
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Breakable hyphens are cued in the back-ends (with ASCII_HYPH) and acted
upon in term.c or ignored in html.c.
Also cleaned up XML decl printing (no need for extra vars).
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Added bits in mdoc.7 and man.7 about EOS spacing.
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Fitted TH and Dd handlers to use mandoc_a2time().
Documented date syntax for -man, fixed documentation for -mdoc.
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libman/libmdoc1).
libman supports MAN_IGN_ESCAPE (like MDOC_IGN_ESCAPE).
All popular escapes now handled consistently.
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