"it would have helped if you caould explain"

Yeah - but if you've got Ganssle, what more can I say?! ;-)

The article you require is his Embedded Muse No 86:
http://www.ganssle.com/tem/tem86.pdf

He also reviewed the MISRA guidelines in No 52:
http://www.ganssle.com/tem/tem52.pdf

Note that Hitex have a special deal on MISRA with the ISO 'C' spec at the moment:
http://www.hitex.co.uk/newsletter0603/index.html


There's a complete list of Embedded Muse back-issues here:
http://www.ganssle.com/tem-back.htm

It's definitely worth signing-up for The Embedded Muse - do it at the link above!