master
Ticket #4450: support PCRE2 in the search engine.
Update copyright years.
(edit_ok_to_quit): rename from edit_ok_to_exit.
formatting: step 6 - manual tweaks
Ticket #4674: remove --enable-charset/--disable-charset configuration option.
Ticket #4872, #4873, #4874: fix 'insert control code' function
Add tests for edit_replace_cmd().
Ticket #5018: editor: Allow more contexts per syntax highlighting rule