message: Fix Add support for sage environments
  The following environments are considered as inline Python code
  sageblock
  sagesilent
  sageverbatim
  sageexample
  sagecommandline
diff: </dict>
  <dict>
  <key>begin</key>
  - <string>((?:\s*)\\begin\{(pycode(?:\*)?)\}(?:\[.*\])?)</string>
  + <string>((?:\s*)\\begin\{((?:pycode|sageblock|sagesilent|sageverbatim|sageexample|sagecommandline)(?:\*)?)\}(?:\[.*\])?)</string>
  <key>captures</key>
  <dict>
  <key>1</key>
  @@ -2251,7 +2251,7 @@ Put specific matches for particular LaTeX keyword.functions before the last two
  </dict>
  </dict>
  <key>match</key>
  - <string>(?:\s*)((\\)(?:begin|end))(\{)([a-z]*code(?:\*)?|gnuplot|dot2tex|asy)(\})(?:(\[).*(\]))?</string>
  + <string>(?:\s*)((\\)(?:begin|end))(\{)([a-z]*code(?:\*)?|gnuplot|dot2tex|asy|sage[a-z]*)(\})(?:(\[).*(\]))?</string>
  </dict>
  <key>definition-label</key>
  <dict>
  