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(Choosing Modes): Clarify.

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Richard M. Stallman 2005-02-16 10:08:30 +00:00
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commit 40be66535c
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13
man/major.texi
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@ -92,14 +92,14 @@ For example, one element normally found in the list has the form
@code{(@t{"\\.c\\'"} . c-mode)}, and it is responsible for selecting C
mode for files whose names end in @file{.c}. (Note that @samp{\\} is
needed in Lisp syntax to include a @samp{\} in the string, which must
be used to suppress the special meaning of @samp{.} in regexps.) If the
element has the form @code{(@var{regexp} @var{mode-function}
be used to suppress the special meaning of @samp{.} in regexps.) If
the element has the form @code{(@var{regexp} @var{mode-function}
@var{flag})} and @var{flag} is non-@code{nil}, then after calling
@var{mode-function}, the suffix that matched @var{regexp} is discarded
and the list is searched again for another match.
@var{mode-function}, Emacs discards the suffix that matched
@var{regexp} and searches the list again for another match.
You can specify which major mode should be used for editing a certain
file by a special sort of text in the first nonblank line of the file. The
You can specify the major mode to use for editing a certain file by
special text in the first nonblank line of the file. The
mode name should appear in this line both preceded and followed by
@samp{-*-}. Other text may appear on the line as well. For example,
@ -166,6 +166,7 @@ the file's local variables list (if any).
@vindex change-major-mode-with-file-name
The commands @kbd{C-x C-w} and @code{set-visited-file-name} change to
a new major mode if the new file name implies a mode (@pxref{Saving}).
(@kbd{C-x C-s} does this too, if the buffer wasn't visiting a file.)
However, this does not happen if the buffer contents specify a major
mode, and certain ``special'' major modes do not allow the mode to
change. You can turn off this mode-changing feature by setting