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| author | Luc Teirlinck <teirllm@auburn.edu> | 2003-11-21 05:02:08 +0000 |
|---|---|---|
| committer | Luc Teirlinck <teirllm@auburn.edu> | 2003-11-21 05:02:08 +0000 |
| commit | 1a3a914b9e2a6a91272e0d564321b8a05112e0c1 (patch) | |
| tree | df616f7e41d9a23c2d639a6947c27e88853590b5 /lispref/positions.texi | |
| parent | f7f1a248d8327f90790c35ed68003886799bc430 (diff) | |
| download | emacs-1a3a914b9e2a6a91272e0d564321b8a05112e0c1.tar.gz | |
(Positions): Mention that, if a marker is used a a position, its
buffer is ignored.
Diffstat (limited to 'lispref/positions.texi')
| -rw-r--r-- | lispref/positions.texi | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lispref/positions.texi b/lispref/positions.texi index 3f465e034ae..72b84a6a0ce 100644 --- a/lispref/positions.texi +++ b/lispref/positions.texi @@ -18,7 +18,11 @@ after that position. Positions are usually represented as integers starting from 1, but can also be represented as @dfn{markers}---special objects that relocate automatically when text is inserted or deleted so they stay with the -surrounding characters. @xref{Markers}. +surrounding characters. Functions that expect an argument to be a +position (an integer), but accept a marker as a substitute, normally +ignore the marker buffer. Of course, markers used this way usually +point to a position in the buffer that the function operates on, but +that is entirely the programmer's responsibility. @xref{Markers}. See also the ``field'' feature (@pxref{Fields}), which provides functions that are used by many cursor-motion commands. |