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Sam Tobin-Hochstadt fba861f6df Typecheck `or' correctly.
svn: r17653

original commit: 33592b4f6c40faf63015fcf33e1874322007b03c
2010-01-14 19:53:28 +00:00
collects Typecheck `or' correctly. 2010-01-14 19:53:28 +00:00