Jimmy Praet edf85b820d Fix source code line highlighting (#18729) (#18740)
Backport #18729

When the issues repo unit is disabled, or an external issue tracker is used, there is no "a.ref-in-new-issue".

Fixes #18721
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
2022-02-12 12:24:49 +00:00
..
2021-12-02 23:24:02 +01:00