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Re: abbrev-expand-functions

From: Johan Bockgård
Subject: Re: abbrev-expand-functions
Date: Sun, 15 Mar 2009 17:34:18 +0100
User-agent: Gnus/5.110009 (No Gnus v0.9) Emacs/23.0.90 (gnu/linux)

Leo <address@hidden> writes:

> Is the following understanding correct?
> Internally, each abbrev symbol is like an uninterned variable with a
>  structure like this:

The abbrev symbol is interned in the abbrev TABLE.

> the symbol's each property maps to a slot in that structure, for
> example, symbol-function maps to [HOOK] etc.

More or less.

   "An abbrev table is represented as an obarray containing a symbol for
    each abbreviation. The symbol's name is the abbreviation; its value
    is the expansion; its function definition is the hook function to do
    the expansion; its property list cell typically contains various
    additional properties such as the use count, the number of times the
    abbreviation has been expanded, or whether the abbrev is a so-called
    "system" abbrev defined by a major mode rather than by the user."

(info "(elisp) Abbrevs")

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