forked from GitHub/gf-core
lib/src/*/Numeral*.gf: fix inconsistent inheritance form Cat
While the abstract Numeral inherits only Cat[Numeral,Digits], some of the concrete NumeralNNN of Numeral inherited everything from CatNNN. Normally the compiler outputs a warning message when a concrete syntax contains superflous lincats, but apparently not when they get included through inheritance... This does not seem to cause problems in the Haskell run-time system, but the C run-time system fails to load PGFs with superflous lincats. This problems shows up when creating application grammars that inherit Numeral. The Phrasebook is an example of such a grammar.
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@@ -1,4 +1,4 @@
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concrete NumeralTha of Numeral = CatTha ** open ResTha, StringsTha, Prelude in {
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concrete NumeralTha of Numeral = CatTha [Numeral,Digits] ** open ResTha, StringsTha, Prelude in {
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flags coding = utf8 ;
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