Spell checks the post for typos ;)

• Loads up an array of additional "words" that should not be marked as typos (SMF, etc.)
• Uses the pspell library, which MUST be installed.
• Uses the Post template and language file
• Doesn't use any template layers
• Uses the spellcheck sub-template
• Loads up the dictionary based on $txt['lang_locale'] (defined in the "index" language file)
• Has problems with internationalization.
• Is accessed via ?action=spellcheck.