The source project of this merge request has been removed.
xdg-open: use `grep -E` instead of `egrep`
egrep has been deprecated in GNU grep since 2007, and in current post
3.7 Git it has been made to emit obsolescence warnings:
https://git.savannah.gnu.org/cgit/grep.git/commit/?id=a9515624709865d480e3142fd959bccd1c9372d1