gitk: Work around Tcl's non-standard names for encodings
authorPaul Mackerras <paulus@samba.org>
Wed, 7 Dec 2005 12:28:22 +0000 (23:28 +1100)
committerPaul Mackerras <paulus@samba.org>
Wed, 7 Dec 2005 12:28:22 +0000 (23:28 +1100)
This uses a table of encoding names and aliases distilled from
http://www.iana.org/assignments/character-sets plus some heuristics
to convert standard encoding names to ones that Tcl recognizes.

Signed-off-by: Paul Mackerras <paulus@samba.org>

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