From BlenderWiki

For those who have to insert videos and hotkeys, JesterKing has done new tags, called:

[edit] BlenderTags

I've created some tags to circumvent problems with the equal sign ( = ) in templates.

• <hotkey>
• <b_link>
• <youtube>
• <vimeo>
• <playlist>

Examples:

CTRL+=

The player will show in this paragraph