Use `test -z' where possible.
treebce90609e0993d9b4d81b775d9fafa90e85f2262
-rw-r--r-- 21 .gitattributes
-rw-r--r-- 37 AUTHORS
-rw-r--r-- 35147 COPYING
-rwxr-xr-x 62505 svn-wrapper.sh