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@node Overview of Markers |
@node Overview of Markers |
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@section Overview of Markers |
@section Overview of Markers |
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A marker specifies a buffer and a position in that buffer. The marker |
A marker specifies a buffer and a position in that buffer. The |
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can be used to represent a position in the functions that require one, |
marker can be used to represent a position in the functions that |
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just as an integer could be used. @xref{Positions}, for a complete |
require one, just as an integer could be used. In that case, the |
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description of positions. |
marker's buffer is normally ignored. Of course, a marker used in this |
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way usually points to a position in the buffer that the function |
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operates on, but that is entirely the programmer's responsibility. |
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@xref{Positions}, for a complete description of positions. |
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A marker has two attributes: the marker position, and the marker |
A marker has two attributes: the marker position, and the marker |
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buffer. The marker position is an integer that is equivalent (at a |
buffer. The marker position is an integer that is equivalent (at a |