[gtksourceview] latex: fix headings with curly braces inside them

[Sébastien Wilmet <swilmet src gnome org>]

commit 2e95b07cc038f7f184d8b0f6265e638dbd42deb6
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu May 22 15:47:54 2014 +0200

    latex: fix headings with curly braces inside them
    
    The headings are delimited by the opening and closing curly braces. But
    they can contain other latex commands inside them, for example:
    \section{\LaTeX{}ila}
    \section{\textit{italic} normal}
    
    And the curly braces pairs can be nested:
    \section{\textit{foo \textbf{bar}}}

 data/language-specs/latex.lang |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)
---
diff --git a/data/language-specs/latex.lang b/data/language-specs/latex.lang
index 3a96780..99bca31 100644
--- a/data/language-specs/latex.lang
+++ b/data/language-specs/latex.lang
@@ -366,6 +366,15 @@
 
     <!-- headings -->
 
+    <context id="curly-braces-pair">
+      <start>\{</start>
+      <end>\}</end>
+      <include>
+        <context ref="curly-braces-pair"/>
+        <context ref="latex"/>
+      </include>
+    </context>
+
     <context id="headings">
       <include>
         <context id="part" style-inside="true" style-ref="part" end-at-line-end="true">
@@ -374,6 +383,7 @@
           <include>
             <context sub-pattern="0" where="start" style-ref="common-commands"/>
             <context sub-pattern="0" where="end" style-ref="common-commands"/>
+            <context ref="curly-braces-pair"/>
             <context ref="latex"/>
           </include>
         </context>
@@ -384,6 +394,7 @@
           <include>
             <context sub-pattern="0" where="start" style-ref="common-commands"/>
             <context sub-pattern="0" where="end" style-ref="common-commands"/>
+            <context ref="curly-braces-pair"/>
             <context ref="latex"/>
           </include>
         </context>
@@ -394,6 +405,7 @@
           <include>
             <context sub-pattern="0" where="start" style-ref="common-commands"/>
             <context sub-pattern="0" where="end" style-ref="common-commands"/>
+            <context ref="curly-braces-pair"/>
             <context ref="latex"/>
           </include>
         </context>
@@ -404,6 +416,7 @@
           <include>
             <context sub-pattern="0" where="start" style-ref="common-commands"/>
             <context sub-pattern="0" where="end" style-ref="common-commands"/>
+            <context ref="curly-braces-pair"/>
             <context ref="latex"/>
           </include>
         </context>
@@ -414,6 +427,7 @@
           <include>
             <context sub-pattern="0" where="start" style-ref="common-commands"/>
             <context sub-pattern="0" where="end" style-ref="common-commands"/>
+            <context ref="curly-braces-pair"/>
             <context ref="latex"/>
           </include>
         </context>
@@ -424,6 +438,7 @@
           <include>
             <context sub-pattern="0" where="start" style-ref="common-commands"/>
             <context sub-pattern="0" where="end" style-ref="common-commands"/>
+            <context ref="curly-braces-pair"/>
             <context ref="latex"/>
           </include>
         </context>
@@ -434,6 +449,7 @@
           <include>
             <context sub-pattern="0" where="start" style-ref="common-commands"/>
             <context sub-pattern="0" where="end" style-ref="common-commands"/>
+            <context ref="curly-braces-pair"/>
             <context ref="latex"/>
           </include>
         </context>