custom tags not working in ie8

Question

I tried making custom tags so that uses can enter text that displays something with red or bold etc when rendered as HTML for eg,

text here become         


        

Answer 1

if you don't mind a little javascript:

if you want to add several elements/tags, you can:

Update

Looks like ability to define custom elements is in the work (W3C Working Draft 6 June 2013)

Some projects that use this:

• Google’s Polymer
• Mozilla’s X-Tags
• Mozilla’s Brick

See also:

• Introducing Brick: Minimal-markup Web Components for Faster App Development (Aug 27, 2013)
• Custom Elements: defining new elements in HTML (Aug 28, 2013)
• Custom Elements: a web components gallery for modern web apps