Merge branch 'ml/tcl90'

Merge branch 'ml/tcl90'

* ml/tcl90:
  git-gui: Allow Tcl 9.0
  git-gui: use -profile tcl8 on encoding conversions
  git-gui: use -profile tcl8 for file input with Tcl 9
  git-gui: themed.tcl: use full namespace for color
  git-gui: remove EOL translation for gets
  git-gui: do not mix -translation binary and -encoding
  git-gui: replace encoding binary with iso8859-1
  git-gui: translation binary defines iso8859-1
  git-gui: assure -eofchar {} on all channels

Signed-off-by: Johannes Sixt <j6t@kdbg.org>