PKIT_ERRORFONT — Highlights Invalid Fields
<PKIT_ERRORFONT NAME="lastname"> Last Name </PKIT_ERRORFONT> <input name="lastname"> <PKIT_ERRORFONT> new for PageKit 1.10 </PKIT_ERRORFONT>
PKIT_ERRORFONT is the outdated alias for PKIT_ERRORSPAN
This tag highlights fields in red that Model reported as being filled in incorrectly. Or, since version 1.10 of pkit it is possible to suppress the NAME attribute. Then the field is always colored or whatever you want.