toggle-case-fold-search

toggle-case-fold-search is an interactive compiled Lisp function in `menu-bar.el'.

It is bound to <menu-bar> <options> <case-fold-search>.

(toggle-case-fold-search &optional INTERACTIVELY)

Toggle whether to ignore letter-case in search commands.
In an interactive call, record this option as a candidate for saving
by "Save Options" in Custom buffers.