AdminCP -> Custom BBCodes -> Add New BBCode
Tag Name: abbr
Replacement:
Example:
Description: This tag allows you to put a "tooltip" over a text. You can use this for words like UN (United Nations) or WWW (World Wide Web) etc.
Use Option: YES
Settings Screenshot:
Preview:
Tag Name: abbr
Replacement:
Code:
<abbr title="{option}">{param}</abbr>
Code:
[noparse][abbr="vBulletin Solutions Inc."]VBSI[/abbr][/noparse]
Use Option: YES
Settings Screenshot:
Preview: