added check_char call in mkstate() to prevent bad xtion chars

diff --git a/nfa.c b/nfa.c
index cca39d68151bb04ef2954b25a226ab22a76d35cf..f2e4849ef9375a4b7319183938839e28ce5a80ce 100644 (file)
--- a/nfa.c
+++ b/nfa.c
@@ -642,6 +642,8 @@ int sym;
 
        else
                {
+               check_char( sym );
+
                if ( useecs )
                        /* Map NUL's to csize. */
                        mkechar( sym ? sym : csize, nextecm, ecgroup );