elisp: Buffer-Local Variables

 
 11.10 Buffer-Local Variables
 ============================
 
 Global and local variable bindings are found in most programming
 languages in one form or another.  Emacs, however, also supports
 additional, unusual kinds of variable binding, such as “buffer-local”
 bindings, which apply only in one buffer.  Having different values for a
 variable in different buffers is an important customization method.
 (Variables can also have bindings that are local to each terminal.
 SeeMultiple Terminals.)
 

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