>Three variables are assigned a value, but I doubt whether the third one adds value to the code.
>

local llOK, lcMsg, lcName
>llOK   = .T.     && this assignment of a default is necessary
>lcName = ''      && this assignment of a default might be useful
>lcMsg  = ''      && is this assignment of a default useful?
>if whatever
>    lcMsg = 'message 1'
>else
>    lcMsg = 'message 2'
>endif


It can't hurt and it would help if the code was concatenating content...

m.lcMsg = ''
FOR m.lnX =  1 TO 10
  m.lcMsg = m.lcMsg + laMsgs[m.lnX]
ENDFOR m.lnX

Seems like a very good habit to me. Clarity is a good thing.