Category collation sort order should ignore spaces, hyphens, apostrophes.
PHP Collator provides a way to disable comparison of all punctuation using Collator::ALTERNATE_HANDLING; however, it would be useful to keep, for example, commas meaningful to correctly sort biographies ("Last, First" > "Las, Tzzzzz").
Suggested at https://fr.wikipedia.org/wiki/Wikipédia:Le_Bistro/26_septembre_2013#Discussion
Version: 1.22.0
Severity: enhancement