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display PropertyThe display text property (or overlay property) is used to
insert images into text, and to control other aspects of how text
displays. The value of the display property should be a
display specification, or a list or vector containing several display
specifications. Display specifications in the same display
property value generally apply in parallel to the text they cover.
If several sources (overlays and/or a text property) specify values
for the display property, only one of the values takes effect,
following the rules of get-char-property. See Examining Properties.
The rest of this section describes several kinds of display specifications and what they mean.
| • Replacing Specs: | Display specs that replace the text. | |
| • Specified Space: | Displaying one space with a specified width. | |
| • Pixel Specification: | Specifying space width or height in pixels. | |
| • Other Display Specs: | Displaying an image; adjusting the height, spacing, and other properties of text. | |
| • Display Margins: | Displaying text or images to the side of the main text. |