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Diffstat (limited to 'doc/lispref/positions.texi')
| -rw-r--r-- | doc/lispref/positions.texi | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/doc/lispref/positions.texi b/doc/lispref/positions.texi index ca1166caac4..7945232bf8f 100644 --- a/doc/lispref/positions.texi +++ b/doc/lispref/positions.texi @@ -387,6 +387,16 @@ Return the position that @code{(end-of-line @var{count})} would move to. @end defun +@defun pos-bol &optional count +Like @code{line-beginning-position}, but ignores fields (and is more +efficient). +@end defun + +@defun pos-eol &optional count +Like @code{line-end-position}, but ignores fields (and is more +efficient). +@end defun + @deffn Command forward-line &optional count @cindex beginning of line This function moves point forward @var{count} lines, to the beginning of @@ -1002,6 +1012,12 @@ positions. In an interactive call, @var{start} and @var{end} are set to the bounds of the current region (point and the mark, with the smallest first). + +Note that, in rare circumstances, Emacs may decide to leave, for +performance reasons, the accessible portion of the buffer unchanged +after a call to @code{narrow-to-region}. This can happen when a Lisp +program is called via low-level hooks, such as +@code{jit-lock-functions}, @code{post-command-hook}, etc. @end deffn @deffn Command narrow-to-page &optional move-count @@ -1027,6 +1043,12 @@ It is equivalent to the following expression: @end example @end deffn +Note that, in rare circumstances, Emacs may decide to leave, for +performance reasons, the accessible portion of the buffer unchanged +after a call to @code{widen}. This can happen when a Lisp program is +called via low-level hooks, such as @code{jit-lock-functions}, +@code{post-command-hook}, etc. + @defun buffer-narrowed-p This function returns non-@code{nil} if the buffer is narrowed, and @code{nil} otherwise. |