K 10 svn:author V 8 kientzle K 8 svn:date V 27 2009-04-12T05:47:23.368611Z K 7 svn:log V 236 Merge from libarchive.googlecode.com r791, r879, r884, r948: Various fixes to read_support_compression_program. In particular, failure of the external program is detected a lot earlier, which gives much more reasonable error handling. END