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36.7 Abbrev Table Properties

Like abbrevs, abbrev tables have properties, some of which influence the way they work. You can provide them as arguments to define-abbrev-table, and manipulate them with the functions:

— Function: abbrev-table-put table prop val

Set the property prop of abbrev table table to value val.

— Function: abbrev-table-get table prop

Return the property prop of abbrev table table, or nil if the abbrev has no such property.

The following properties have special meaning:

:enable-function
This is like the :enable-function abbrev property except that it applies to all abbrevs in the table. It is used before even trying to find the abbrev before point, so it can dynamically modify the abbrev table.
:case-fixed
This is like the :case-fixed abbrev property except that it applies to all abbrevs in the table.
:regexp
If non-nil, this property is a regular expression that indicates how to extract the name of the abbrev before point, before looking it up in the table. When the regular expression matches before point, the abbrev name is expected to be in submatch 1. If this property is nil, the default is to use backward-word and forward-word to find the name. This property allows the use of abbrevs whose name contains characters of non-word syntax.
:parents
This property holds a list of tables from which to inherit other abbrevs.
:abbrev-table-modiff
This property holds a counter incremented each time a new abbrev is added to the table.