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Thomas Miedema authored
Summary: I tried reading the lexer and the 2010 report side-by-side. Althought I didn't quite finish, here are some small discrepancies that I found. This revision may be low priority for reviewers, but having these commits just in my local repository does no good either. Changes: * $nl was defined, but not used anywhere * formfeed is a newline character * add \: to $ascsymbol For simplification reason, the colon (':') was added to the character set $ascsymbol in the 2010 report. Here we make the same change. * introduce the macros `qvarid`, `qconid`, `qvarsym` and `qconsym` * foreign is a Haskell keyword * add/update comments Test Plan: Harbormaster (is awesome) Reviewers: simonmar, hvr, austin Reviewed By: austin Subscribers: hvr, simonmar, ezyang, carter Differential Revision: https://phabricator.haskell.org/D180
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