unicode identifier support (native and \u)
support unions (right now 0-1 fields parsed as struct)
\\\n escapes in strings aren't handled in the console
look into what String is, and whether to bridge it
some JS callbacks don't use exception pointers at all...
a newline needs to not be allowed after a unary *
finish implementing default xml namespace statement
consider replacing regex literals with constructors
  https://bugzilla.mozilla.org/show_bug.cgi?id=98409
numerification needs to use specific precision values
  https://bugzilla.mozilla.org/show_bug.cgi?id=5856
consider a mode where unicode string content is saved
  https://bugzilla.mozilla.org/show_bug.cgi?id=274152