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From: Kenichi Handa
Subject: last-coding-system-specified
Date: Tue, 25 Nov 2003 20:59:35 +0900 (JST)
User-agent: SEMI/1.14.3 (Ushinoya) FLIM/1.14.2 (Yagi-Nishiguchi) APEL/10.2 Emacs/21.3 (sparc-sun-solaris2.6) MULE/5.0 (SAKAKI)

I've just noticed this variable:

last-coding-system-specified's value is iso-2022-jp

Most recent coding system explicitly specified by the user when asked.
This variable is set whenever Emacs asks the user which coding system
to use in order to write a file.  If you set it to nil explicitly,
then call `write-region', then afterward this variable will be non-nil
only if the user was explicitly asked and specified a coding system.

Defined in `international/mule-cmds'.

But, it seems that it's not used by any code.  What is the
purpose of this variable?

This is the only changelog for this variable.

1998-05-10  Richard Stallman  <address@hidden>

        * startup.el (normal-top-level-add-subdirs-to-load-path):
        Ignore subdirectories whose names start with nonalphanumeric
        or that have a file called .nosearch.

        * international/mule-cmds.el (last-coding-system-specified): New var.
        (select-safe-coding-system): Set var if user specifies a coding system.

Ken'ichi HANDA

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