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(Overview of Markers): Mention that, if a marker is used a a position,

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its buffer is ignored.
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Luc Teirlinck 2003-11-21 05:04:07 +00:00
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lispref/markers.texi
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@ -28,10 +28,13 @@ deleted, so that it stays with the two characters on either side of it.
@node Overview of Markers
@section Overview of Markers
A marker specifies a buffer and a position in that buffer. The marker
can be used to represent a position in the functions that require one,
just as an integer could be used. @xref{Positions}, for a complete
description of positions.
A marker specifies a buffer and a position in that buffer. The
marker can be used to represent a position in the functions that
require one, just as an integer could be used. In that case, the
marker's buffer is normally ignored. Of course, a marker used in this
way usually points to a position in the buffer that the function
operates on, but that is entirely the programmer's responsibility.
@xref{Positions}, for a complete description of positions.
A marker has two attributes: the marker position, and the marker
buffer. The marker position is an integer that is equivalent (at a