Documentation / technical / api-xdiff-interface.txton commit builtin/apply: make parse_whitespace_option() return -1 instead of die()ing (aaf6c44)
   1xdiff interface API
   2===================
   3
   4Talk about our calling convention to xdiff library, including
   5xdiff_emit_consume_fn.
   6
   7(Dscho, JC)