update docs to prefer << since it is faster
commite85abf91dea6f423770e370612f86439185227fe
authorErik S. Chang <erik.s.chang@gmail.com>
Wed, 9 Dec 2009 01:54:05 +0000 (9 01:54 +0000)
committerErik S. Chang <erik.s.chang@gmail.com>
Wed, 9 Dec 2009 01:54:05 +0000 (9 01:54 +0000)
tree8156774134de28965b0864f17587bf1b02ec27b7
parent20f84468e28d9615149d3ecbdde97da185b0e2ff
update docs to prefer << since it is faster

git-svn-id: https://lwes.svn.sourceforge.net/svnroot/lwes/lwes-ruby/trunk@359 a2f82657-cdd2-4550-bd36-68a8e7111808
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