---input---
.. image:: picture.png
   :alt: Sample

---tokens---
'..'          Punctuation
' '           Text
'image'       Operator.Word
'::'          Punctuation
' '           Text
'picture.png' Text
'\n'          Text.Whitespace

'   '         Text
':alt:'       Name.Class
' '           Text
'Sample'      Text
'\n'          Text.Whitespace
