Re: [PATCH v2] diff: document -U without <n> as using default context

Oswald Buddenhagen [off-list ref] writes:

quoted

Since we are retaining this fallback behavior for backward compatibility,
update the documentation to explicitly state that '<n>' can be omitted
for the short option '-U'.

i'd replace that with:

Hence we retain this fallback behavior for backward compatibility, but 
document it as such.

quoted

+	(`-U` without `<n>` is accepted as a silent synonym for `-p` due
+	to a historical accident).

"silently accepted as a synonym" would be much more natural.

An excellent suggestion.  Thanks.