Update :
Ok, everything seems to be coded (99% at least). I'm having difficulties to track the news_id from includes/functions.php file but, for the rest, it's fine. This option will even be available under your ACP - > Settings page (in the news table - as an additional option). You will be able to type the number of characters you'd like to see in the news text.
Beside, you have the : ... [ Read more ] .
In the mean time, further modifications will be required on index.php file since an additional function will be involved. Meaning, I would stongly advise that you install the : ' Maintenance Page ' MOD and activate it as soon as this MOD is being published.