tree 09358f7184065cba2c2df69fe0eb1d4371b5dd0d
parent 298f6bd657fd2c0cd6c1fc049be9e2a139e2ae05
author rsc <devnull@localhost> 1098465257 +0000
committer rsc <devnull@localhost> 1098465257 +0000
golang-hg 069c391a807f4a0e82f9f0d5f1bed1be86e65f4f

make sure a write of 0 bytes does a 0-length write.