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authoraarne <aarne@cs.chalmers.se>2006-01-07 14:39:40 +0000
committeraarne <aarne@cs.chalmers.se>2006-01-07 14:39:40 +0000
commitd133e0353ca614b36357dadb782aea43de895e09 (patch)
treea68ecef132a1b18a12899ef9b718ed411816528f /src/GF/Source/GF.cf
parent4e42d73ee508715e83c8f1a160b7bc696b78571b (diff)
regular expression patterns
Diffstat (limited to 'src/GF/Source/GF.cf')
-rw-r--r--src/GF/Source/GF.cf1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/GF/Source/GF.cf b/src/GF/Source/GF.cf
index a84d37d5b..fc68164a9 100644
--- a/src/GF/Source/GF.cf
+++ b/src/GF/Source/GF.cf
@@ -225,6 +225,7 @@ PDisj. Patt ::= Patt "|" Patt1 ;
PSeq. Patt ::= Patt "+" Patt1 ;
PRep. Patt1 ::= Patt2 "*" ;
PAs. Patt1 ::= Ident "@" Patt2 ;
+PNeg. Patt1 ::= "-" Patt2 ;
coercions Patt 2 ;