(elisp)Abbrev Files


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' (Note: 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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