regular expression. This means that it will detect in-file (or what
rename-detection considers the same file) moves, which is noise. The
implementation runs diff twice and greps, and this can be quite
-expensive.
+expensive. To speed things up binary files without textconv filters
+will be ignored.
When `-S` or `-G` are used without `--pickaxe-all`, only filepairs
that match their respective criterion are kept in the output. When