elisp: Overlay Type
2.4.11 Overlay Type
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An “overlay” specifies properties that apply to a part of a buffer.
Each overlay applies to a specified range of the buffer, and contains a
property list (a list whose elements are alternating property names and
values). Overlay properties are used to present parts of the buffer
temporarily in a different display style. Overlays have no read syntax,
and print in hash notation, giving the buffer name and range of
positions.
Overlays, for information on how you can create and use
overlays.
Info Catalog
elisp: Keymap Type
elisp: Editing Types
elisp: Font Type