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Fix bug #5096: Language switch fails in environments.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@30627 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Enrico Forestieri 2009-07-16 12:50:44 +00:00
parent 41003ea0eb
commit e10dc486b1
1 changed files with 24 additions and 2 deletions
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26
src/output_latex.cpp
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@ -339,11 +339,33 @@ ParagraphList::const_iterator TeXOnePar(Buffer const & buf,
// The previous language that was in effect is either the language of
// the previous paragraph, if there is one, or else the outer language
// if there is no previous paragraph
Language const * const prev_language =
Language const * prev_language =
(pit != paragraphs.begin()) ?
priorpit->getParLanguage(bparams) : outer_language;
if (par_language->babel() != prev_language->babel()
// When the language is changed at the very start of a LyX environment,
// the language switch in the LaTeX code occurs just before switching to
// the corresponding LaTeX environment. So, when the environment ends,
// we have to restore the language that was in effect.
bool env_lang_switch = false;
if (!priorpit->hasSameLayout(*pit)) {
ParagraphList::const_iterator outpit = priorpit;
while (outpit != paragraphs.begin()
&& (outpit->hasSameLayout(*priorpit)
|| outpit->getDepth() > priorpit->getDepth()))
outpit = boost::prior(outpit);
ParagraphList::const_iterator const inpit = boost::next(outpit);
Language const * const outenv_language
= outpit->getParLanguage(bparams);
Language const * const inenv_language
= inpit->getParLanguage(bparams);
if (outenv_language->babel() != inenv_language->babel())
env_lang_switch = true;
if (outenv_language->babel() != par_language->babel())
prev_language = outenv_language;
}
if ((par_language->babel() != prev_language->babel() || env_lang_switch)
// check if we already put language command in TeXEnvironment()
&& !(style.isEnvironment()
&& (pit == paragraphs.begin() ||