it. It seems to only be available on recent (>=4.6) versions of gcc.

If it doesn't find colors.txt locally, it looks for the one in the
directory of the script itself.

now translated if set to a button

Minor code cleanups (always in the gettext area, but no functional changs)

All usages of gettext() are converted to wchars, so let's factor this
into a single inline.

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