Mercurial > hg > xemacs-beta
diff man/lispref/text.texi @ 434:9d177e8d4150 r21-2-25
Import from CVS: tag r21-2-25
author | cvs |
---|---|
date | Mon, 13 Aug 2007 11:30:53 +0200 |
parents | 3ecd8885ac67 |
children | 576fb035e263 |
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--- a/man/lispref/text.texi Mon Aug 13 11:30:00 2007 +0200 +++ b/man/lispref/text.texi Mon Aug 13 11:30:53 2007 +0200 @@ -70,12 +70,13 @@ and always operated on the current buffer.) -@defun char-after position &optional buffer +@defun char-after &optional position buffer This function returns the character in the buffer at (i.e., immediately after) position @var{position}. If @var{position} is out of range for this purpose, either before the beginning of the buffer, or at -or beyond the end, then the value is @code{nil}. If optional argument -@var{buffer} is @code{nil}, the current buffer is assumed. +or beyond the end, then the value is @code{nil}. The default for +@var{position} is point. If optional argument @var{buffer} is +@code{nil}, the current buffer is assumed. In the following example, assume that the first character in the buffer is @samp{@@}: @@ -88,6 +89,15 @@ @end example @end defun +@defun char-before &optional position buffer +This function returns the character in the current buffer immediately +before position @var{position}. If @var{position} is out of range for +this purpose, either at or before the beginning of the buffer, or beyond +the end, then the value is @code{nil}. The default for +@var{position} is point. If optional argument @var{buffer} is +@code{nil}, the current buffer is assumed. +@end defun + @defun following-char &optional buffer This function returns the character following point in the buffer. This is similar to @code{(char-after (point))}. However, if point is at