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(Managing Overlays): Clarify make-overlay args for insertion types.
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@ -1133,12 +1133,14 @@ markers. If @var{buffer} is omitted, the overlay is created in the
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current buffer.
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The arguments @var{front-advance} and @var{rear-advance} specify the
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insertion type for the start of the overlay and for the end of the
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overlay, respectively. @xref{Marker Insertion Types}. If
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@var{front-advance} is non-@code{nil}, text inserted at the beginning
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of the overlay is excluded from the overlay. If @var{read-advance} is
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non-@code{nil}, text inserted at the beginning of the overlay is
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included in the overlay.
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marker insertion type for the start of the overlay and for the end of
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the overlay, respectively. @xref{Marker Insertion Types}. If they
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are both @code{nil}, the default, then the overlay extends to include
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any text inserted at the beginning, but not text inserted at the end.
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If @var{front-advance} is non-@code{nil}, text inserted at the
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beginning of the overlay is excluded from the overlay. If
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@var{rear-advance} is non-@code{nil}, text inserted at the end of the
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overlay is included in the overlay.
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@end defun
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@defun overlay-start overlay
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