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-rw-r--r--development/alex/README3
1 files changed, 2 insertions, 1 deletions
diff --git a/development/alex/README b/development/alex/README
index 3bbb6e8b0b4c6..1ec96040f2536 100644
--- a/development/alex/README
+++ b/development/alex/README
@@ -2,4 +2,5 @@ Alex is a tool for generating lexical analysers in Haskell, given a
description of the tokens to be recognised in the form of regular
expressions. It is similar to the tool lex or flex for C/C++.
-Requires: ghc.
+This requires ghc, haskell-transformers, haskell-mtl and
+haskell-QuickCheck.