[Truffle] Precision in printf can be zero.

jruby · Jan 5, 2016 · f5f5388 · f5f5388
1 parent 6f2a398
commit f5f5388
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/truffle/src/main/antlr4/org/jruby/truffle/format/parser/PrintfParser.g4 b/truffle/src/main/antlr4/org/jruby/truffle/format/parser/PrintfParser.g4
@@ -18,7 +18,7 @@ directive : CURLY_KEY                  # string
           | ANGLE_KEY?
             flag*
             width=NUMBER?
-            (DOT precision=NUMBER)?
+            (DOT precision=(ZERO|NUMBER))?
             TYPE                       # format ;
 
 flag : SPACE