sgmldiff --version (return code: 0)
DocBook-utils version 0.6.14 (sgmldiff v1.03)
sgmldiff --help (return code: 0)
DocBook-utils version 0.6.14 (sgmldiff v1.03)
Usage: sgmldiff [options] file1 file2
where the options are:
-a, --attributes includes the attribute values in the diff
-s, --statistics prints some SGML information at the end
-h, --help prints this usage information
-v, --version prints the version on the standard output
-c, --context adds more context to the diff, which may
improve the results. It takes "attributes", "textpos"
or "nesting" as an argument e.g. -c textpos, which can
also be combined: -c nesting,attributes