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Handle \protect'ion of label in listings

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Since listings labels are passed as an argument of their own, we need
to strip the \protect flag.
This commit is contained in:
Juergen Spitzmueller 2019-03-16 09:03:19 +01:00
parent 8e7c427c7c
commit 85b36769cb
1 changed files with 4 additions and 1 deletions
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5
src/insets/InsetListings.cpp
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@ -540,12 +540,15 @@ TexString InsetListings::getCaption(OutputParams const & runparams) const
// NOTE that } is not allowed in blah2.
regex const reg("(.*)\\\\label\\{(.*?)\\}(.*)");
string const new_cap("$1$3},label={$2");
// Remove potential \protect'ion of \label.
docstring capstr = subst(cap.str, from_ascii("\\protect\\label"),
from_ascii("\\label"));
// TexString validity: the substitution preserves the number of newlines.
// Moreover we assume that $2 does not contain newlines, so that the texrow
// information remains accurate.
// Replace '\n' with an improbable character from Private Use Area-A
// and then return to '\n' after the regex replacement.
docstring const capstr = subst(cap.str, char_type('\n'), 0xffffd);
capstr = subst(capstr, char_type('\n'), 0xffffd);
cap.str = subst(from_utf8(regex_replace(to_utf8(capstr), reg, new_cap)),
0xffffd, char_type('\n'));
return cap;