message: add some special handling for
diff: @@ -2834,7 +2834,8 @@ class RustWrapperGenerator(object):
  # code blocks, don't run them during tests
  text = text.replace("@code", "```ignore").replace("@endcode", "```\n")
  # see also block
  - text = re.sub(r"@sa\s+", "## See also\n", text, 0, re.M)
  + text = re.sub(r"@sa\s+", "## See also\n", text, 1, re.M)
  + text = text.replace("@sa", "")
  # citation links
  text = re.sub(r"@cite\s+(.+?)\b", r"[\1](https://docs.opencv.org/3.4.6/d0/de3/citelist.html#CITEREF_\1)", text)
  # images
  