Problem: Code for modeless selection not sufficiently tested.
Solution: Add tests. Move mouse code functionality to a common script file.
(Yegappan Lakshmanan, closes#5821)
Problem: The :global command does not work recursively, which makes it
difficult to execute a command on a line where one pattern matches
and another does not match. (Miles Cranmer)
Solution: Allow for recursion if it is for only one line. (closes#1760)
Problem: MS-Windows: when 'clipboard' is "unnamed" yyp does not work in a
:global command.
Solution: When setting the clipboard was postponed, do not clear the
register.
