In order to help SIF file format documentation, I started to write a XML DTD.
It would be useful also to validate SIF
Linux command line:
$ xmllint --noout --dtdvalid synfig.dtd test.sif
It is still waaay incomplete and probably has mistakes.
Anyway, if someone wants to help, here it is:
synfig-dtd.zip (518 Bytes)