If one were *really* organized, the thing to do would be to mix up a jar
of it & have on hand ahead of time. With a pale, non-staining pigment.
>
> Alternatively you could try adding a VERY small amout of artists' oil
> colour, don't add too much otherwise the oil will act as a plasticiser
> for the rubber cement and slow the drying.
>
I wouldn't mess with that in any event for fear it would be more likely to
cling to/stain the paper.
But the proof is in the pudding, as they say (why, I couldn't tell you).
I'll let you know. Thanks,
Judy