message: Fix `float_constant` definition in './doc/Grammar.md`
diff: @@ -69,6 +69,6 @@ hex\_float\_constant = `[-+]?0[xX](([.][:xdigit:]+)|([:xdigit:]+[.][:xdigit:]*)|
  special\_float\_constant = `[-+]?(nan|inf|infinity)`
  -float\_constant = dec\_integer\_constant | hex\_integer\_constant | special\_float\_constant
  +float\_constant = dec\_float\_constant | hex\_float\_constant | special\_float\_constant
  boolean\_constant = `true` | `false`
  