fix operators after ?

expr.c

@@ -187,7 +187,7 @@ static int parseSubExpr(const char **pp, long *v, int pr, int o)
             long val3 = 0;
             val2 = 1;
             if (exprDebug) printf("parseExpr(%d) if %ld ...\n", pr, val);
-            if (parseExpr(&p, &val2) >= 0)
+            if ((o2 = parseExpr(&p, &val2)) >= 0)
             {
                 if (parseSep(&p, ":"))
                 {

testscript

@@ -72,8 +72,8 @@ x=1-1?0?1:2:3?4:5
 x=1-1?0?1:2:3-3?4:5
 # $(x) should be: 5
 
-x=0?; 1?; 2?; -4?
-# $(x) should be: 0; 1; 1; 1
+x=0?; 1?; 2?; -4?; 3?+1
+# $(x) should be: 0; 1; 1; 1; 4
 
 x=a030b a(030)b a( 030 )b "a"030"b" a(%x 030)b
 # $(x) should be: a030b a24b a24b a24b a18b