add excmd.h, for declaration of ex_is_abbrev
tree9818c8f00866144e1caab08a173c92a29bd569e8
-rw-r--r-- 5762 README
drwxr-xr-x - common
drwxr-xr-x - docs
drwxr-xr-x - ex
drwxr-xr-x - vi