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toggle-case-fold
Turn off case folding in search or turn it on again.
This command toggles the state of case folding for the current buffer
by setting the case-fold variable. When case folding is
on, searching and other operations ignore the case of letters. With a
nonzero numeric argument, the command enables case folding instead of
toggling it; with a zero numeric argument, it turns off case folding.
More info:
Searching
Epsilon Programmer's Editor 14.04 manual. Copyright (C) 1984, 2021 by Lugaru Software Ltd. All rights reserved.
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