Convert original HTML codes to a11y HTML
Reference:
- Fixes or removes non-well formed tags and attributes (e.g. adds alt attributes to images if missing)
- Converts the markup to HTML5 (if it is XHTML for example)
- Reduces the markup to:
<a href>, <body>, <h1>, <h2>, <h3>, <h4>, <h5>, <h6>, <head>, <hr>, <html>, <i>, <img src width height alt>, <li>, <ol>, <p>, <ruby>, <strong>, <table>, <tbody>, <td colspan rowspan>, <th colspan rowspan>, <title>, <tr>, <ul> - Replaces:
<b> to <strong>,<div> to <p> - Reformats the HTML (line breaks, indents)