message: Remove POST_MATHEXPR when it is seen
diff: @@ -91,7 +91,9 @@ impl<'a> Iterator for StatementSplitter<'a> {
  for character in self.data.bytes().skip(self.read) {
  self.read += 1;
  match character {
  - _ if self.flags.contains(POST_MATHEXPR) => (),
  + _ if self.flags.contains(POST_MATHEXPR) => {
  + self.flags -= POST_MATHEXPR;
  + },
  // [^A-Za-z0-9_}]
  0...47 | 58...64 | 91...94 | 96 | 123...124 | 126...127 if self.flags.contains(VBRACE) => {
  // If we are just ending the braced section continue as normal
  