message: Support '.' characters in aliases/variables (Fixes
diff: @@ -179,7 +179,7 @@ impl Variables {
  }
  pub(crate) fn is_valid_variable_character(c: char) -> bool {
  - c.is_alphanumeric() || c == '_' || c == '?'
  + c.is_alphanumeric() || c == '_' || c == '?' || c == '.'
  }
  pub fn strings<'a>(&'a self) -> impl Iterator<Item = Identifier> + 'a {
  