Having spurious characters like these symbols in your text can have some bizarre results - blocks of text not showing, damaged formatting, and customarily simply not seeing what you count on to see.
This can all be fastened by 'escaping' these characters. This course of entails scanning the text for these characters, and changing them with a particular character-code that browsers can interpret as the right image, with out truly embedding that image in your text.
For instance, the escaped character code for > is >.
How to Use the AdSense Code Converter
Paste your AdSense code or any HTML within the empty field after which press the Convert button.