Port fix for sorear/niecza#128

sorear · sorear · commit f179a1b3139f · 2012-05-27T15:52:02.000-07:00
diff --git a/STD.pm6 b/STD.pm6
@@ -4920,6 +4920,7 @@ grammar Regex is STD {
 
     token metachar:sigwhite {
         <normspace>
+        [ <?quantifier> <.sorry: "Quantifier quantifies nothing"> ]?
     }
     token metachar:unsp   { <unsp> }
 

Original file line number	Diff line number	Diff line change
`@@ -4920,6 +4920,7 @@ grammar Regex is STD {`
`4920`	`4920`
`4921`	`4921`	`token metachar:sigwhite {`
`4922`	`4922`	`<normspace>`
	`4923`	`+ [ <?quantifier> <.sorry: "Quantifier quantifies nothing"> ]?`
`4923`	`4924`	`}`
`4924`	`4925`	`token metachar:unsp { <unsp> }`
`4925`	`4926`