message: fetch latex renderer over https
diff: @@ -2742,7 +2742,7 @@ class RustWrapperGenerator(object):
  text = re.sub("^- (.*)", "* \\1", text, 0, re.M)
  # math expressions
  if r"\f" in text:
  - text = '<script type="text/javascript" src="http://latex.codecogs.com/latexit.js"></script>\n' + text
  + text = '<script type="text/javascript" src="https://latex.codecogs.com/latexit.js"></script>\n' + text
  text = re.sub(r"\\f\[", "<div lang='latex'>", text, 0, re.M)
  text = re.sub(r"\\f\]", "</div>", text, 0, re.M)
  text = re.sub(r"\\f\$(.*?)\\f\$", "<span lang='latex'>\\1</span>", text, 0, re.M)
  