undefined
undefined
str const Left 
 str const right
str%20const%20Left%20%u2028%20str%20const%20right
LS in regex literal -  compile failure in ES5: expected.SyntaxError: Unterminated regular expression literal '/str const regex '
LS%20in%20escape%20sequence%20string%20literal%20%20%3Amore%20string
BOM is WS :  91
ZVNJ is id part :  aa%u200Cbb