enable parsing of empty string

This commit is contained in:
kr.angelov
2006-06-01 21:37:22 +00:00
parent 4cf5648d62
commit 81c1e95244

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@@ -34,6 +34,7 @@ type FCFParser c n t = FCFPInfo c n t
type FCFChart c n = [Abstract (c, RangeRec) n]
makeFinalEdge :: c -> Int -> Int -> (c, RangeRec)
makeFinalEdge cat 0 0 = (cat, [EmptyRange])
makeFinalEdge cat i j = (cat, [makeRange i j])