Function: join-line
join-line is a function alias and interactive for delete-indentation,
defined in simple.el.gz.
Signature
(join-line &optional ARG BEG END)
Documentation
Join this line to previous and fix up whitespace at join.
If there is a fill prefix, delete it from the beginning of this line. With prefix ARG, join the current line to the following line. When BEG and END are non-nil, join all lines in the region they define. Interactively, BEG and END are, respectively, the start and end of the region if it is active, else nil. (The region is ignored if prefix ARG is given.)
Key Bindings