[quote=eehjhay]To make the discussion short, it will be hard to add the new rule to the current because nobody can force other people to speak what they suppose to. Let them have fun in a way that other people can still understand what they're saying. However if their posts are very hard to understand, just send a report and let the moderators take some actions on them. They will either edit the members' posts, or warn the accused member, or consider the post as a spam.[/quote]
^
this is a very good explanation

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For me,
adding a new rule of 'not using a text lingo'
will make this forum more sensitive.
Let them be free to post the way they want.
We also commit a mistakes when using our grammar.
It's ok to use a text lingo but be sure that is readable