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This is required for supporting in-line equations. While here, push
registers properly into roff and add an set/get/mod interface.
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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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not have mmap(), from what I can tell).
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\# Everything up to and including the next newline is
ignored. This is interpreted in copy mode. This is like \"
except that the terminating newline is ignored as well.
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a public (mandoc.h) function mandoc_escape(), which merges the
functionality of both prior functions.
Reason: code duplication. The a2roffdeco() and mandoc_special()
functions were pretty much the same thing and both quite complex. This
allows one function to receive improvements in (e.g.) subexpression
handling and performance, instead of having to replicate functionality.
As such, the mandoc_escape() function already handles a superset of the
escapes handled in previous versions and has improvements in performance
(using strcspn(), for example) and reliable handling of subexpressions.
This code Works For Me, but may need work to catch any regressions.
Since the benefits are great (leaner code, simpler API), I'd rather have
it in-tree than floating as a patch.
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From a patch by Yuri Pankov, thanks!
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throw assertions due to per-file-error not being properly set in mmsg().
This is reasonable behaviour (we shouldn't be able to ignore FATAL after
all). Thus, make sure wlevel is sanitised.
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mparse_strerror() and mparse_strlevel().
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this for yourself by having a file consisting only of comments).
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libmandoc.h and there's nothing left.
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information duplicated in main.c. For the time being, remove evt_close
and evt_open, as the only known mparse interface (main.c) doesn't need
them.
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libroff, etc., etc.) route into mandoc_msg() and mandoc_vmsg(), for the
time being in libmandoc.h. This requires struct mparse to be passed
into the allocation routines instead of mandocmsg and a void pointer.
Then, move some of the functionality of the old mmsg() into read.c's
mparse_mmsg() (check against wlevel and setting of file_status) and use
main.c's mmsg() as simply a printing tool.
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putting the interface into mandoc.h. This effectively makes the
function of main.c be command-line handling, invoking the parser, and
sending its output to the output handler. The sequence of parsing
(pfile(), pdesc(), etc.) has changed very little but for clean-up of
some state variables (curp->fd, etc.).
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