Problem: execute() does not work in completion of user command. (thinca)
Solution: Switch off redir_off and restore it. (Ozaki Kiichi, closesvim/vim#2492)
2095148277
Problem: Completion of user defined functions is not covered by tests.
Solution: Add tests. Also test various errors of user-defined commands.
(Dominique Pelle, closesvim/vim#1413)
65c836e600
Problem: The short form of ":noswapfile" is ":noswap" instead of ":now".
(Kent Sibilev)
Solution: Only require three characters. Add a test for the short forms.
3bcfca3ab4
Problem: When there is an CmdUndefined autocmd then the error for a missing
command is E464 instead of E492. (Manuel Ortega)
Solution: Don't let the pointer be NULL.
eac784eced
