When the --verbose flag is given, make --update-pkg-desc-index emulate
esync --verbose output. Example:
* Searching for changes
[ N] acct-group/ultimaker (0): Group for ultimaker
[ N] acct-user/ultimaker (0): User for ultimaker
[ U] www-client/opera (70.0.3728.144): A fast and secure web
Automatically detect regular expressions when the search string
contains any of these regular expression characters or character
sequences:
^ $ * [ ] { } | ? .+
This simplifies usage, so that users no longer have to remember
to prefix regular expressions with the % character. The new
behavior