Re: [PATCH] mergetools/meld: Use --help output to detect --output support

I can confirm that this iteration of the patch (meld --help | grep)
worked for me on meld 1.1.1, meld 1.1.5, and meld 1.3.0.  Note however
that none of these are versions of meld that do support the --output
flag.

Tested-by: Jeff Epler <redacted>

Jeff