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36. Indivisible Blocks of Text

Point is not allowed to fall inside of an atomic extent. This has the effect of making all text covered by an atomic extent be treated as a single object. Normally point will be adjusted to an end of an atomic extent in the direction of motion. If point appears inside of an atomic extent (via goto-char for example), point will be adjusted to the side closest to the entry point.

To make this feature available, add the following to your initialization file:

  (require 'atomic-extents)

To make an extent atomic use the command:

  (set-extent-property #<extent obj> 'atomic t)

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