Fanthom as established forum rules a long while ago. This post should come back more often as a proofread shows that very few of us seems to respect completely these rules. So here they are:
http://forum.porteus.org/viewtopic.php?f=38&t=44
In addition, for those who want to dig the subject deeper, here a thread that I found really good:
http://www.catb.org/~esr/faqs/smart-que ... #writewell
Personally, amongst other, I like this proposition:
Write in clear, grammatical, correctly-spelled language
which means for me that phonetics or abbreviations should not be used.
But this is only my opinion. 8)