tree 99273e4430cdc58a3081d1928e94ea74e1b639a8
parent 4e9e92500249258e9baa77fbaf8075f0c07e56b2
author Rob Pike <r@golang.org> 1307051630 +1000
committer Rob Pike <r@golang.org> 1307051630 +1000
golang-hg 9fbc84c06a47e6c92059b917f37a06812b44e335

fmt: fix bug in UnreadRune: must clear memory of previous
rune if input implements UnreadRune; otherwise the lookahead
will lie.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4548082