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Extensions to Haskell 1.4
Hugs 1.4 contains some modest extensions to the Haskell language.
- Restricted type synonyms (as implemented in Gofer).
- Import declarations may specify a file name instead of a
module name.
- TREX extensible records may be compiled into the system.
The parser always accepts TREX syntax but an error message is
generated when TREX constructs are used when Hugs is not configured
for TREX.
- The T(..) syntax is allowed for type synonyms in import and
export lists.
- Lines beginning with #! are treated as comments.