| Commit message (Collapse) | Author | Age | Files | Lines |
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first step: split column data out of the terminal state struct into
a new column state struct and use an array of such column state
structs. No functional change.
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The Tcl/Tk manual pages use this extensively.
Delete the TERM_MAXMARGIN hack, it breaks .mc inside .nf;
instead, implement a proper TERMP_BRNEVER flag.
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Eliminate the "overstep" state variable.
The information is already contained in "viscol".
Minus 60 lines of code, no functional change intended.
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the next line is a text line starting with whitespace.
Quirk found in the sysutils/rancid port.
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This is the first feature made possible by the parser reorganization.
Improves the formatting of the SYNOPSIS in many Xenocara GL manuals.
Also important for ports, as reported by many, including naddy@.
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now that this actually saves code: -70 LOC.
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modules to the new roff(7) modules. As a side effect,
mdoc(7) now handles .ft, too. Of course, do not use that.
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used by both the mdoc and man formatters, with the ultimate
goal of reducing code duplication between the two macro formatters.
Made possible by the parser unification.
Add the first formatting function (for the .br request).
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Generate the first node on the roff level: .br
Fix some column numbers in diagnostic messages while here.
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* Make enum rofft an internal interface as enum roff_tok in "roff.h".
* Represent mdoc and man macros in enum roff_tok.
* Make TOKEN_NONE a proper enum value and use it throughout.
* Put the prologue macros first in the macro tables.
* Unify mdoc_macroname[] and man_macroname[] into roff_name[].
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a node is marked as "not a macro" when unifying the parsers.
Confirmed to work by Sevan Janiyan.
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Bug found by Sevan Janiyan <venture37 at geeklan dot co dot uk>
who ran the OpenBSD mandoc test suite on Ubuntu on POWER8 (sic!)
and reported that mdoc/Sh/before.in failed in -Tman mode.
If that isn't power testing, i don't know...
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a different macro language and hence require a different indent.
You can see the effect with "man -a 1 host hostname".
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most uses by one, a few by two pointer checks, and only one by a
tiny loop - not only making data smaller, but code shorter as well.
This gets rid of an implicit invariant that confused both static
analysis tools and human auditors. No functional change.
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that were right between two adjacent case statement. Keep only
those 24 where the first case actually executes some code before
falling through to the next case.
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in mdoc(7) .Bl -tag and man(7) .TP, but not in man(7) .IP.
Quirk reported by Jan Stary <hans at stare dot cz> on ports@.
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the next line doesn't hang, but is simply indented.
Issue found by Christian Neukirchen <chneukirchen at gmail dot com>
in the dmsetup(8) manual on Linux.
This patch also improves the indentation of XDGA(3) and XrmGetResource(3).
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high-level parsers to allow further unification of functions that
only need to recognize this code, but that don't care about different
high-level macrosets beyond that.
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man_node() from the mandoc(3) semi-public interface and the internal
wrapper functions print_mdoc() and print_man() from the HTML formatters.
Minus 60 lines of code, no functional change.
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Almost completely mechanical, no functional change.
Written on the train from Exeter to London returning from p2k15.
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as vertical spacing requests. Bug found with xmahjongg(6).
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width, not from the saved width of the previous level.
Improves xterm(1) and XSetEventQueueOwner(3); found in transcode_filter(1).
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Reduces groff-mandoc differences in base and Xenocara by about 4%.
Found while looking at wpa_supplicant(8).
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Reduces groff-mandoc differences in base by about 2.5% due to
various Perl manuals having long section titles.
Quirk found in argtable2(3).
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There is a first rounding to basic units on the input side.
After that, rounding rules differ between requests and macros.
Requests round to the nearest possible character position.
Macros round to the next character position to the left.
Implement that by changing the return value of term_hspan()
to basic units and leaving the second scaling and rounding stage
to the formatters instead of doing it in the terminal handler.
Improves for example argtable2(3).
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Found while writing a regression test for man_macro.c rev. 1.66.
Incidentally, this brings rendering of XFreeEventData(3) closer to groff.
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Replace struct mdoc_meta and struct man_meta by a unified struct roff_meta.
Written of the train from London to Exeter on the way to p2k15.
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Replace struct mdoc_node and struct man_node by a unified struct roff_node.
To be able to use the tok member for both mdoc(7) and man(7) without
defining all the macros in roff.h, sacrifice a tiny bit of type safety
and make tok an int rather than an enum.
Almost mechanical, no functional change.
Written on the Eurostar from Bruxelles to London on the way to p2k15.
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Replace enum mdoc_type and enum man_type by a unified enum roff_type.
Almost mechanical, no functional change.
Written on the ICE train from Frankfurt to Bruxelles on the way to p2k15.
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sometimes result in missing line breaks before subsection headers.
Found by carsten dot kunze at arcor dot de on SuSE 13.2.
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man(7) always prints a blank line, mdoc(7) doesn't.
Problem in mdoc(7) reported by kristaps@.
mdoc(7) part of the patch tested by kristaps@.
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Replace tail recursion by iteration when walking the syntax trees.
No functional change.
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where needed, which is less fragile.
This fixes a subtle NULL pointer access to tp->tbl.cols:
Due to a bug in the man(7) parser, the first span of a table can
end up in a .TP head, in which case tblcalc() was never called.
Found by jsg@ with afl.
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parser. Simplify the code by moving it into the roff(7) parser, also
making it work for mdoc(7).
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because negative indents can get truncated, in which case we no longer
know how to restore the original indent at the end of the block.
This also solves another case of effectively infinite output found
by jsg@ with afl, triggered by very large negative indents.
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indentations or paragraph distances, large output may be generated,
which is practically the same as an endless loop; found by jsg@
with afl.
Reject such unreasonably large numbers beyond arbitrary limits
similar to those used by groff (max. 65 blank lines between paragraphs
and max. SHRT_MAX characters per output line) and fall back to
defaults when exceeded. Having the limits behave in exactly the
same way is not relevant.
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minus twenty lines of code in spite of enhanced functionality
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- .sp with an invalid argument is .sp 1v, not .sp 0v
- in man(1), trailing garbage doesn't make scaling units invalid
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in particular .sp which uses "v", when the scale is not specified;
cures groff-mandoc differences in about a dozen Xenocara manuals
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vertical whitespace is needed before a section or subsection.
Cures groff-mandoc differences in more than 300 manuals,
mostly Xenocara, some curses, a few GNU.
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In particular, make it work in no-fill mode, too.
Reminded by Carsten dot Kunze at arcor dot de (Heirloom roff).
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output handler because the high level terminal formatters could be
tricked into setting the left margin further to the right than the
right margin. Today, jsg@ found more of these with afl.
Change the internal interface between both levels, aiming for
simplicity and robustness of the code. Treat both margins as
*independent* settings: Now, termp.offset is the requested left
margin, and termp.rmargin is the available space. Let the lower
level cope with that case of insufficient space.
Obviously, high level code that does centering or flush right
still has to do careful checks, so i did a full audit of margin
settings in the terminal formatters.
Fixes crashes caused by excessively long title or date strings in
the man(7) footer, operating system or date strings in the mdoc(7)
footer, volume strings in the man(7) or mdoc(7) header, and a few
cases related to some non-prologue macros.
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validity of character escape names and warn about unknown ones.
This requires mchars_spec2cp() to report unknown names again.
Fortunately, that doesn't require changing the calling code because
according to groff, invalid character escapes should not produce
output anyway, and now that we warn about them, that's fine.
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that start at the beginning of an input line
but end before the end of an input line
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