* doc/lispref/searching.texi (Regular Expressions, Regexp Special): (Regexp Backslash, Regexp Example): Copyedits. (Regexp Special): Mention collation. Clarify char classes with an example.
* doc/lispref/searching.texi (Regular Expressions, Regexp Special): (Regexp Backslash, Regexp Example): Copyedits. (Regexp Special): Mention collation. Clarify char classes with an example.