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-rw-r--r--conf/confbase.Y2
1 files changed, 1 insertions, 1 deletions
diff --git a/conf/confbase.Y b/conf/confbase.Y
index 9a83083c..58890cd6 100644
--- a/conf/confbase.Y
+++ b/conf/confbase.Y
@@ -173,7 +173,7 @@ expr_us:
| expr US { $$ = $1 US_; }
;
-toksym: FROM ;
+toksym: FROM | PREFERENCE ;
symbol: CF_SYM_UNDEFINED | CF_SYM_KNOWN | toksym ;
symbol_known: CF_SYM_KNOWN | toksym ;