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Mirror all delimiters in RTL context with luabidi, regardless of the language or script (#12881)

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Patch by Udi Fogiel
This commit is contained in:
Juergen Spitzmueller 2023-08-18 09:20:26 +02:00
parent 5c8e3a5f0d
commit fe57b19294
1 changed files with 10 additions and 9 deletions
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19
src/Paragraph.cpp
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@ -2053,11 +2053,11 @@ char_type Paragraph::getUChar(BufferParams const & bparams,
char_type c = d->text_[pos];
// Return unchanged character in LTR languages
// or if we use poylglossia/bidi (XeTeX)
// or with babel and Xe/LuaTeX.
// or if we use XeTeX
// or with babel and LuaTeX.
if (!getFontSettings(bparams, pos).isRightToLeft()
|| bparams.useBidiPackage(rp)
|| (rp.use_babel && rp.isFullUnicode()))
|| rp.flavor == Flavor::XeTeX
|| (rp.use_babel && rp.flavor == Flavor::LuaTeX))
return c;
// Without polyglossia/bidi, we need to account for some special cases.
@ -2079,14 +2079,15 @@ char_type Paragraph::getUChar(BufferParams const & bparams,
string const & lang = getFontSettings(bparams, pos).language()->lang();
char_type uc = c;
// 1. In the following languages, parentheses need to be reversed.
// Also with polyglossia/luabidi
// 1. With polyglossia/luabidi all delimiters need to be mirrored,
// regardless of the languge, or script.
// 2. In the following languages, parentheses need to be mirrored.
bool const reverseparens = (lang == "hebrew" || rp.use_polyglossia);
// 2. In the following languages, brackets don't need to be reversed.
bool const reversebrackets = lang != "arabic_arabtex"
// 3. In the following languages, brackets don't need to be mirrored.
bool const reversebrackets = (lang != "arabic_arabtex"
&& lang != "arabic_arabi"
&& lang != "farsi";
&& lang != "farsi") || rp.use_polyglossia;
// Now swap delimiters if needed.
switch (c) {