in tvbparse:

in tvbparse:
  - tvbparse_some now handles 0 items.
  - added accessors for a tt's offset and remaining length.

in packet-xml:
  - min_len=0 for tvbparse_chars() is soon going to mean zero instead of 1 change the 0s to 1s.
  - attribute names can have ':' even if it's namespaces isn't managed yet.
  - split the xml grammar in more elements so It can be actually read by a human being.

git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@16031 f5534014-38df-0310-8fa8-9805f1628bb7