czapiga ef842736f0 Fix block string literals highlighting (#3635) ...

Replace block string literals quotes.

Highlighting after change:

![image](https://github.com/carbon-language/carbon-lang/assets/24532774/4c55c021-b8ce-4933-9742-81a8eee6ffe1)


Closes #3634

2024-01-24 09:44:18 +00:00

..

Carbon.plist

Fix block string literals highlighting (#3635)

2024-01-24 09:44:18 +00:00