There is something a bit odd with PL/SQL (or SQL - I'm not sure whether PL/SQL is actually supported. It seems to be sadly unpopular with syntax highlighting plugins.) A quoted SQL statement seems to defeat the quoting, but only when an earlier line ends with a semicolon. ``` lang-sql select blah into blahblah from blahblahblah; -- Semicolon here seems to do it xxx := 'select select'; Quoting is now reversed. ``` Looking at other SQL-related issues, I see [Syntax highlighting isn't always present in the entire code block](https://meta.stackexchange.com/a/354674/394486) also has an example where quoting is broken by a quote that includes a SQL keyword. Screenshot for posterity: ![highlight-js glitch with SQL](https://i.sstatic.net/wLDTK.png) The actual post where this came up is here: https://stackoverflow.com/a/64183788/230471 **Edit:** Marking as Lua seems to work better with quoting: ``` lang-lua select blah into blahblah from blahblahblah; -- This is a comment xxx := 'select select'; Quoting is not reversed. ```