[pdftex] Hover effects in pdftex.

Hans Hagen pragma at wxs.nl
Tue Nov 1 22:31:50 CET 2005

John R. Culleton wrote:

>It is possible in hmtl, with a little help from Java or
>Javascript, to create a "hover" effect. When the mouse moves
>over a link something happens such as a box with text in it
>appearing and temporarily overlaying what is underneath. It
>seems to me I saw a pdf file that did the same, but I can't
>recall where. 
>Is there a mechanism in pdftex that (in combination with an online
>viewer) allows this effect to be achieved? If so where is it
yes, it's called roll over buttons and appearances; possible for years 
now -)


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