From 4310f3cecb062413728533dba042853872f35790 Mon Sep 17 00:00:00 2001
From: albert-github <albert.tests@gmail.com>
Date: Wed, 27 May 2020 15:32:00 +0200
Subject: Issue #7804 String double quotes in C get misinterpreted by pdflatex
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

The `"` quote is in some LaTeX language packages redefined  to be used to create a umlaut / umlaut / tréma and in normal running text they have to replaced / escaped,
---
 src/htmlentity.cpp | 4 ++--
 src/util.cpp       | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/htmlentity.cpp b/src/htmlentity.cpp
index 543f86b..ae2d8f1 100644
--- a/src/htmlentity.cpp
+++ b/src/htmlentity.cpp
@@ -263,7 +263,7 @@ static struct htmlEntityInfo
   { SYM(clubs),    "\xe2\x99\xa3", "&clubs;",    "<clubs/>",             "&#9827;",       "{$\\clubsuit$}",         NULL,     "\\u9827?",    { NULL,         DocSymbol::Perl_unknown }},
   { SYM(hearts),   "\xe2\x99\xa5", "&hearts;",   "<hearts/>",            "&#9829;",       "{$\\heartsuit$}",        NULL,     "\\u9829?",    { NULL,         DocSymbol::Perl_unknown }},
   { SYM(diams),    "\xe2\x99\xa6", "&diams;",    "<diams/>",             "&#9830;",       "{$\\diamondsuit$}",      NULL,     "\\u9830?",    { NULL,         DocSymbol::Perl_unknown }},
-  { SYM(quot),     "\"",           "&quot;",     "\"",                   "&quot;",        "\"",                     "\"",     "\"",          { "\"",         DocSymbol::Perl_char    }},
+  { SYM(quot),     "\"",           "&quot;",     "\"",                   "&quot;",        "\"{}",                   "\"",     "\"",          { "\"",         DocSymbol::Perl_char    }},
   { SYM(amp),      "&",            "&amp;",      "&amp;",                "&amp;",         "\\&",                    "&",      "&",           { "&",          DocSymbol::Perl_char    }},
   { SYM(lt),       "<",            "&lt;",       "&lt;",                 "&lt;",          "<",                      "<",      "<",           { "<",          DocSymbol::Perl_char    }},
   { SYM(gt),       ">",            "&gt;",       "&gt;",                 "&gt;",          ">",                      ">",      ">",           { ">",          DocSymbol::Perl_char    }},
@@ -311,7 +311,7 @@ static struct htmlEntityInfo
   { SYM(DoubleColon), "::",        "::",         "::",                   "::",            "::",                     "::",     "::",          { "::",         DocSymbol::Perl_string  }},
   { SYM(Percent),  "%",            "%",          "%",                    "%",             "\\%",                    "%",      "%",           { "%",          DocSymbol::Perl_char    }},
   { SYM(Pipe),     "|",            "|",          "|",                    "|",             "$|$",                    "|",      "|",           { "|",          DocSymbol::Perl_char    }},
-  { SYM(Quot),     "\"",           "\"",         "\"",                   "&quot;",        "\"",                     "\"",     "\"",          { "\"",         DocSymbol::Perl_char    }},
+  { SYM(Quot),     "\"",           "\"",         "\"",                   "&quot;",        "\"{}",                   "\"",     "\"",          { "\"",         DocSymbol::Perl_char    }},
   { SYM(Minus),    "-",            "-",          "-",                    "-",             "-\\/",                   "-",      "-",           { "-",          DocSymbol::Perl_char    }},
   { SYM(Plus),     "+",            "+",          "+",                    "+",             "+",                      "+",      "+",           { "+",          DocSymbol::Perl_char    }},
   { SYM(Dot),      ".",            ".",          ".",                    ".",             ".",                      ".",      ".",           { ".",          DocSymbol::Perl_char    }},
diff --git a/src/util.cpp b/src/util.cpp
index 5b799c8..d198a5d 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -6199,6 +6199,7 @@ void filterLatexString(FTextStream &t,const char *str,
         case '%':  t << "\\%"; break;
         case '#':  t << "\\#"; break;
         case '$':  t << "\\$"; break;
+        case '"':  t << "\"{}"; break;
         case '-':  t << "-\\/"; break;
         case '^':  (usedTableLevels()>0) ? t << "\\string^" : t << (char)c;    break;
         case '~':  t << "\\string~";    break;
-- 
cgit v0.12