message: Match all braces in arguments uniformly
  Wherever '{...}' is used as an argument of a command but not as a group,
  the braces are matched as
  punctuation.definition.arguments.begin.latex
  punctuation.definition.arguments.end.latex
  We get rid of the scope punctuation.definition.arguments.latex
diff: <key>3</key>
  <dict>
  <key>name</key>
  - <string>punctuation.definition.arguments.latex</string>
  + <string>punctuation.definition.arguments.begin.latex</string>
  </dict>
  <key>4</key>
  <dict>
  <key>5</key>
  <dict>
  <key>name</key>
  - <string>punctuation.definition.arguments.latex</string>
  + <string>punctuation.definition.arguments.end.latex</string>
  </dict>
  </dict>
  <key>end</key>
  <key>3</key>
  <dict>
  <key>name</key>
  - <string>punctuation.definition.arguments.latex</string>
  + <string>punctuation.definition.arguments.begin.latex</string>
  </dict>
  <key>4</key>
  <dict>
  <key>5</key>
  <dict>
  <key>name</key>
  - <string>punctuation.definition.arguments.latex</string>
  + <string>punctuation.definition.arguments.end.latex</string>
  </dict>
  </dict>
  <key>end</key>
  <key>3</key>
  <dict>
  <key>name</key>
  - <string>punctuation.definition.arguments.latex</string>
  + <string>punctuation.definition.arguments.begin.latex</string>
  </dict>
  <key>4</key>
  <dict>
  <key>5</key>
  <dict>
  <key>name</key>
  - <string>punctuation.definition.arguments.latex</string>
  + <string>punctuation.definition.arguments.end.latex</string>
  </dict>
  </dict>
  <key>end</key>
  @@ -1328,7 +1328,7 @@ Put specific matches for particular LaTeX keyword.functions before the last two
  <key>7</key>
  <dict>
  <key>name</key>
  - <string>punctuation.definition.arguments.latex</string>
  + <string>punctuation.definition.arguments.begin.latex</string>
  </dict>
  </dict>
  <key>end</key>
  @@ -1338,7 +1338,7 @@ Put specific matches for particular LaTeX keyword.functions before the last two
  <key>0</key>
  <dict>
  <key>name</key>
  - <string>punctuation.definition.arguments.latex</string>
  + <string>punctuation.definition.arguments.begin.latex</string>
  </dict>
  </dict>
  <key>name</key>
  