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(cvs.info)diff options

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diff options
------------

   These standard options are supported by `diff' (Note: Common
options, for a complete description of them):

`-D DATE'
     Use the most recent revision no later than DATE.  See `-r' for how
     this affects the comparison.

`-k KFLAG'
     Process keywords according to KFLAG.  See Note: Keyword
     substitution.

`-l'
     Local; run only in current working directory.

`-R'
     Examine directories recursively.  This option is on by default.

`-r TAG'
     Compare with revision TAG.  Zero, one or two `-r' options can be
     present.  With no `-r' option, the working file will be compared
     with the revision it was based on.  With one `-r', that revision
     will be compared to your current working file.  With two `-r'
     options those two revisions will be compared (and your working
     file will not affect the outcome in any way).

     One or both `-r' options can be replaced by a `-D DATE' option,
     described above.

   The following options specify the format of the output.  They have
the same meaning as in GNU diff.

     -0 -1 -2 -3 -4 -5 -6 -7 -8 -9
     --binary
     --brief
     --changed-group-format=ARG
     -c
       -C NLINES
       --context[=LINES]
     -e --ed
     -t --expand-tabs
     -f --forward-ed
     --horizon-lines=ARG
     --ifdef=ARG
     -w --ignore-all-space
     -B --ignore-blank-lines
     -i --ignore-case
     -I REGEXP
        --ignore-matching-lines=REGEXP
     -h
     -b --ignore-space-change
     -T --initial-tab
     -L LABEL
       --label=LABEL
     --left-column
     -d --minimal
     -N --new-file
     --new-line-format=ARG
     --old-line-format=ARG
     --paginate
     -n --rcs
     -s --report-identical-files
     -p
     --show-c-function
     -y --side-by-side
     -F REGEXP
     --show-function-line=REGEXP
     -H --speed-large-files
     --suppress-common-lines
     -a --text
     --unchanged-group-format=ARG
     -u
       -U NLINES
       --unified[=LINES]
     -V ARG
     -W COLUMNS
       --width=COLUMNS