| Commit message (Collapse) | Author | Age | Files | Lines |
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* drop trivial wrapper function roff_openeqn()
* drop unused first arg of function eqn_alloc()
* drop usused member "name" of struct eqn_node
While here, sync to OpenBSD by killing some trailing blanks.
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enhances functionality and reduces code and docs by more than 300 lines
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inspired by a discussion with matthew@
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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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at the beginning and at the end of input lines;
issue reported by kristaps@
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in particular line and column numbers and flags;
but hide the uninteresting EQN_ROOT box
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hinted at by Steffen Nurpmeso <sdaoden at yandex dot com>.
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Put the steering into the roff parser rather than into the mdoc
parser such that it works for all macro languages and on both text
and macro lines.
Line breaks and blank characters generated before and after in-line
equations are not perfect yet, but let's do one thing at a time.
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bug reported by bentley@
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while here, remove the note about sox(1), it works now
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to equalize, maximize, and ignore the width of columns.
Does not yet take vertical rulers into account,
and does not do line breaks within table cells.
Considerably improves the lftp(1) manual; issue noticed by sthen@.
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this doesn't change anything for ASCII and UTF-8.
Problem reported by bentley@.
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Require exactly 4, 5 or 6 hex digits and allow nothing else.
This avoids mishandling stuff like \[ua] and \C'uA' as Unicode
and also fixes underlining in eqn(7) -Thtml output which uses \[ul].
Problem found and semantics suggested by kristaps@.
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check sorting of .Xr's case-insensitively;
no idea why this was different here
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getting rid of a false positive noticed by bentley@.
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Patch from bentley@, ok jmc@.
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patch from Martin <Natano at natano dot net>, thanks
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Get rid of the first fatal error, MANDOCERR_EQNSYNT.
In eqn(7), there is no need to be bug-compatible with groff, so there
is no need to abondon the whole equation in case of a syntax error.
In particular:
* Skip "back", "delim", "down", "fwd", "gfont", "gsize", "left",
"right", "size", and "up" without arguments.
* Skip "gsize" and "size" with a non-numeric argument.
* Skip closing delimiters that are not open.
* Skip "above" outside piles.
* For diacritic marks and binary operators without a left operand,
default to an empty box.
* Let piles and matrices take one argument rather than insisting
on a braced list. Let HTML output handle that, too.
* When rewinding, if the root box is guaranteed to match
the termination condition, no error handling is needed.
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column vectors ("piles") and matrices are not yet pretty,
but everything else is now more or less readable
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and some other minor improvements
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particularly useful when converting from other languages to mdoc(7);
feature suggested by bentley@
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and update Copyright year while here; no code change.
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The assert message contains no more information than the segfault.
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* Reduce noise by not printing default attributes.
* Print missing "top" and "bottom" attributes.
* Print mnemonics, not code numbers for expression positions.
* Do not print unused "pile" attribute.
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This fixes run-time assertions regarding "tok".
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This adds parser-level support for the grammar described by the eqn
second-edition technical paper, "Typesetting Mathematics — User's Guide"
(Kernighan, Cherry).
The reason for this re-write is the grouping rules, which were not
possible given the existing implementation.
The re-write has also considerably simplified the HTML (and, if it ever
is completed, terminal) front-end.
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default font rather than failing the whole table.
Needed by some pages in books/man-pages-posix.
Written on the plane back from EuroBSDCon in Sofia.
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nicely right now because eqn uses column ordering.
Also add from/to support and to support.
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This has basic support for positions (under, sup, sub, sub/sup) and piles.
It *does not* support right-left grouping (among many other things), e.g.,
a sub b over c sub d
Which it will interpret, for the time being, as
a sub { b over { c sub d } }
instead of
{ a sub b } over { c sub d }
However, left-right grouping works fine.
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