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This fixes a bug naddy@ found in plan9/rc(1).
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For .it, ignore scaling units in roff_getnum().
Inside parentheses, skip whitespace after a sign in roff_getnum().
Parse and ignore unary plus in roff_getnum().
As a bonus, get rid of the only call to mandoc_strntoi() in roff.c.
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by more specific messages, improving diagnostics for .cc .tr .Bl -column
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Not even i looked at the 966 mandoc command lines
and the 787 diff command lines it was spewing,
and it was almost unusable without REGRESS_FAIL_EARLY
because any errors got lost among all the noise.
If you want to debug the Makefiles, use "make -dl".
If you want to see the -Tman TODOs, use "grep -RF SKIP_TMAN".
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scaling units, and some manuals (e.g. in devel/grcs) actually use that,
so let's support it. Missing feature reported by naddy@.
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This is of some relevance because the pod2man(1) preamble abuses it
for the icelandic letter Thorn, instead of simply using \(TP and \(Tp.
Missing feature found by sthen@ in DateTime::Locale::is_IS(3p).
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conditional request on the same input line, don't skip the first few
bytes of its content.
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without the required subsequent argument; found by jsg@ with afl.
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in mandoc(1). So practice some recursive programming to make sure
it doesn't get broken.
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ending!) the definition of another user defined macro.
Mandoc already handles this correctly, make sure it won't get broken.
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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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Basic units, centimeters, points, ens, ems, and the rounding algorithm
were all wrong, only inches, pica, and the default vertical span worked.
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Found by jsg@ with afl.
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character of input, treat it as false, do not retry it as a string
comparison condition. This also fixes a read buffer overrun that
happened when the numerical condition advanced to the end of the
input line before erroring out, found by jsg@ with afl.
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When negated, they still count as false.
Found when investigating crashes jsg@ found with afl.
Not completely fixing the crashes yet.
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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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fortunately, it already seems to work
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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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they are ignored, just in the same way as for request names
and for low-level macro names.
This also cures a warning in the pod2man(1) preamble.
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and -Thtml rendering of character escape sequences
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and no longer matches the desired output
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Hierarchical naming and mention macro names in messages.
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* Mention invalid escape sequences and string names, and fallbacks.
* Hierarchical naming.
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* Fix .Sm with invalid arg: move arg out and toggle mode.
* Promote "unknown standard" from WARNING to ERROR, it loses information.
* Delete MANDOCERR_BADWIDTH, it would only indicate a mandoc(1) bug.
* Do not report MANDOCERR_BL_LATETYPE when there is no type at all.
* Mention macro names, arguments and fallbacks.
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* Downgrade ".Bf -emphasis Em" from FATAL to WARNING.
* Mention the macros, the arguments, and the fallbacks.
* Hierarchical naming.
Also fix the handling of excess .It head arguments in -Tman.
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Split the roff(7) parts out of it and report the request names for these cases.
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for the main roff request parsing routine, roff_parse().
In request or macro invocations, escape sequences now terminate the
request or macro name; what follows is treated as arguments. Besides,
the names of user-defined macros can now contain backslashes (eek!).
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* Return the name even if it is terminated by an escape sequence, not a blank.
* Skip the full escape sequence using mandoc_escape(), not just the first byte.
* Make it non-destructive, return the length instead of writing a '\0'.
* Let .ds and .as cope with the above changes to the internal interface.
* Fix .rm and .rr to accept an escape sequence as the end of a name.
* Fix .nr and .rr to not set/delete a register with an empty name.
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Even though messages are not going to be as stable as formatted output,
that is, even though the *.out_lint files are expected to change now and then,
from now on, i want to be able to catch unintended changes in messages.
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partially implement the \w (measure text width) escape sequence
in a way that makes them usable in numerical expressions and in
conditional requests, similar to how \n (interpolate number register)
and \* (expand user-defined string) are implemented.
This lets mandoc(1) handle the baroque low-level roff code
found at the beginning of the ggrep(1) manual.
Thanks to pascal@ for the report.
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to other (inner) user-defined strings in their values, such that the inner
ones get expanded at expansion time of the outer ones (delayed evaluation).
Now we also support specifying the name of an (outer) user-defined
string to expand using the expanded values of some other (inner)
user-defined strings (indirect reference).
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Support all binary operators except ';' (scale conversion).
Fully support chained operations and nested parentheses.
Use this for the .nr, .if, and .ie requests.
While here, fix parsing of integer numbers in roff_getnum().
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As reported by sthen@, the perl-5.18 pod2man(1) preamble
thinks cool kids use that in manuals. I hope *you* know better.
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Found by naddy@ in the textproc/enchant(1) port.
Of course, do not use this in new manuals.
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* Support string comparisons.
* Support negation not only for numerical, but for all conditions.
* Switch the `o' condition from false to true.
* Handle the `c', `d', and `r' conditions as false for now.
* Use int for boolean data instead of rolling our own "enum roffrule";
needed such that we can use the standard ! and == operators.
Havard Eidnes reported via the NetBSD bug tracking system that some
Tcl*(3) manuals need this, and Thomas Klausner <wiz at NetBSD>
forwarded the report to me. This doesn't make the crazy Tcl*(3)
macrology maze happy yet, but brings us a bit closer.
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when found on a macro line, does not close a conditional block.
The companion function roff_cond_text() already did this correctly,
but make the code more readable without functional change.
While here, report the correct column number in related error messages.
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