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+Usage:
+
+ ghci [command-line-options-and-input-files]
+
+The kinds of input files that can be given on the command-line
+include:
+
+ - Haskell source files (.hs or .lhs suffix)
+ - Object files (.o suffix, or .obj on Windows)
+ - Dynamic libraries (.so suffix, or .dll on Windows)
+
+In addition, ghci accepts most of the command-line options that plain
+GHC does. Some of the options that are commonly used are:
+
+ -fglasgow-exts Allow Glasgow extensions (unboxed types, etc.)
+
+ -i<dir> Search for imported modules in the directory <dir>.
+
+ -H32m Increase GHC's default heap size to 32m
+
+ -cpp Enable CPP processing of source files
+
+Full details can be found in the User's Guide, an online copy of which
+can be found here:
+
+ http://www.haskell.org/ghc/documentation.html