2002-01-03 2015-06-08 Specification Required Unassigned vcdiff "vcdiff" encoding format diffe output of the UNIX "diff -e" command The Open Group. The Single UNIX Specification, Version 2 - 6 Vol Set for UNIX 98. Document number T912, The Open Group, February 1997. gdiff GDIFF encoding format Arthur van Hoff and Jonathan Payne. Generic Diff Format Specification. Technical Report NOTE-GDIFF, World Wide Web Consortium, August 1997. gzip Same as the HTTP "gzip" content-coding deflate Same as the HTTP "deflate" content-coding range result of Range selection identity no instance-manipulation