containing alphabetic character, sometimes you may want
the search to proceed case-insensitively (for languages
that ignore case, such as pascal for example). In that
- case, set `case-fold' to nil, and the regular expression
- search will ignore case. If `regexp' is set to a
- function, that function must handle the job of ignoring
+ case, set `case-fold' to a non-nil value, and the regular
+ expression search will ignore case. If `regexp' is set to
+ a function, that function must handle the job of ignoring
case by itself.
`tab-stop' If the `tab-stop' attribute is set, and non-nil, the