K 10 svn:author V 5 andre K 8 svn:date V 27 2013-07-05T16:03:19.805810Z K 7 svn:log V 316 MFC r242256: Improve m_cat() by being able to also merge contents from M_EXT mbuf's by doing proper testing with M_WRITABLE(). In m_collapse() replace an incomplete manual check for M_RDONLY with the M_WRITABLE() macro that also tests for shared buffers and other cases that make a particular mbuf immutable. END