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GNU Emacs Lisp Reference Manual

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36.4 Saving Abbrevs in Files

A file of saved abbrev definitions is actually a file of Lisp code. The abbrevs are saved in the form of a Lisp program to define the same abbrev tables with the same contents. Therefore, you can load the file with load (see section 15.1 How Programs Do Loading). However, the function quietly-read-abbrev-file is provided as a more convenient interface.

User-level facilities such as save-some-buffers can save abbrevs in a file automatically, under the control of variables described here.

User Option: abbrev-file-name
This is the default file name for reading and saving abbrevs.

Function: quietly-read-abbrev-file &optional filename
This function reads abbrev definitions from a file named filename, previously written with write-abbrev-file. If filename is omitted or nil, the file specified in abbrev-file-name is used. save-abbrevs is set to t so that changes will be saved.

This function does not display any messages. It returns nil.

User Option: save-abbrevs
A non-nil value for save-abbrev means that Emacs should save abbrevs when files are saved. abbrev-file-name specifies the file to save the abbrevs in.

Variable: abbrevs-changed
This variable is set non-nil by defining or altering any abbrevs. This serves as a flag for various Emacs commands to offer to save your abbrevs.

Command: write-abbrev-file &optional filename
Save all abbrev definitions, in all abbrev tables, in the file filename, in the form of a Lisp program that when loaded will define the same abbrevs. If filename is nil or omitted, abbrev-file-name is used. This function returns nil.


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