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worried that I'm going to write the wrong size on both sides of the
equality (I've already done it a few times). This cleans up the code
readability a bit.
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spaces. Also allow for tabs. Finally, have the parser correctly handle
open and close brackets smooshed against other terms. All of these
handle "details" noted in the CACM paper.
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specified for each PILE).
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CACM paper in an LR(1) parse (1 -> eqn_rewind()). Right now the code is
a little jungly, but will clear up as I consolidate parse components.
The AST structure will also be cleaned up, as right now it's pretty ad
hoc (this won't change the parse itself). I added the mandoc_strndup()
function will here.
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effect.
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this and have the same behaviour apply to `set' and `define'.
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these in the front-ends except for -Ttree, which will display the parsed
tree.
While here, fix that quoted strings aren't scanned for replacement parts.
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the proper `define' dance, which amounts to pure word-replace (you can,
say, define `foo' as `define' then define `define' as something else).
eqn.c is now ready for some semantic parsing of `box' and `eqn'
productions as defined by the grammar.
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protection that we don't nest back to ourselves.
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Tie them into the stream of data.
Document these appropriate, bringing in the grammar as defined by the
original eqn manual (Kernighan/Richie).
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This works by iterating over a simple list. It's a slow, auditable
early implementation. Data is read (the reading function will be
reused) then parsed, then the line re-run if remaining stuff exists.
Note this function isn't the same as mandoc_getarg(), as eqn(7) uses a
different system for reading quoted strings.
This doesn't actually use the defines.
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messages.
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stuff into libmandoc.h, including old mdoc.h/man.h/roff.h functions now
used by read.c. The motivation behind this is to tighten the
relationship between the underlying compilers while keeping parse data
hidden from general callers (e.g., main.c).
While here, also move register values from mandoc.h into libmandoc.h as
noted by schwarze@. See above for explanation.
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the adding itself is implemented; equation data is not yet shown.
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between EQ and EN roff blocks. EQN is different from TBL in that data
after .EQ is unilaterally considered an equation until an .EN. Thus,
there's no need to jump through hoops in having table spans and so on.
This is ONLY the parse code framework in libroff. EQN is not yet passed
into the backends.
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