Fix a test that only works on "real" "Windows" systems.
Fix a test that only works on "real" "Windows" systems.
Use Bash's process substitution to prepend a prefix to completion candidates.
The approach using compgen's `-P' option did not work well; it was
ignored when the option `-o default' was used, for example.
Disadvantages: A new process is spawned for each completion.  Also one
needs a Bash version supporting process substitution.
Add Emacs' backup and auto-save files to `.gitignore'.