comparison tests/test-help.t @ 23298:dc4d0c7b7d94

diff: add a --noprefix option

See previous patch descriptions for the motivation.

The tests reflect the current state of the world -- as we add support we'll see
changes in the test output.

23297:d7abae94a7a0

   -r --rev REV [+]         revision
   -c --change REV          change made by revision
   -a --text                treat all files as text
   -g --git                 use git extended diff format
      --nodates             omit dates from diff headers
   -p --show-function       show which function each change is in
      --reverse             produce a diff that undoes the changes
   -w --ignore-all-space    ignore white space when comparing lines
   -b --ignore-space-change ignore changes in the amount of white space
   -B --ignore-blank-lines  ignore changes whose lines are all blank

23298:dc4d0c7b7d94

   -r --rev REV [+]         revision
   -c --change REV          change made by revision
   -a --text                treat all files as text
   -g --git                 use git extended diff format
      --nodates             omit dates from diff headers
      --noprefix            omit a/ and b/ prefixes from filenames
   -p --show-function       show which function each change is in
      --reverse             produce a diff that undoes the changes
   -w --ignore-all-space    ignore white space when comparing lines
   -b --ignore-space-change ignore changes in the amount of white space
   -B --ignore-blank-lines  ignore changes whose lines are all blank