On Wed, 9 Oct 1996, Jacob Blichfeldt wrote:

> As written, RA4 is an O/C-output and does not have any protection-diodes =

I think you've overlooked the input buffer.

> (only to Gnd). The datasheets 'absolute maximum ratings' states max. 14 =
> V on RA4, also when VCC=3DGND. A resistor is recommend as currentlimiter =
> if RA4 goes low on power-up.

What edition of the datasheet is that?  This sounds like the description
of the MCLR pin in the 16C84 sheet in hte 95/96 databook (and in every
other sheet I recall looking at).  I think you've been misled.