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Can't reset PDF Tooltip of title Attribute

Johann
We have the following HTML:

<!DOCTYPE html>
<html>
  <head>
    <title>PDF Hyperlink Tooltips</title>
    <style>
      section { page-break-before:always; }
    </style>
  </head>
  <body>
    <section id="s1">
      <h1>Header</h1>
    </section>
    <section id="s2">
      <h1>Link to <a href="#s1" title="gugu">Section 1</a></h1>
    </section>
  </body>
</html>


The hyperlink on the second page targets the first page and shows the value of its "title" attribute as tooltip.

Unfortunately, the title attributes on our hyperlink elements are meaningless. That's why I want to revert to using the href attribute as a tooltip.

When I add the following CSS:

a { -prince-tooltip: attr(href); }


.. then the tooltip shows the correct text "#s1" - but the hyperlink is no longer functional (nothing happens when it is clicked)!

I also tried to add "prince-link: attr(href)", but without success.

- - -
Johann

mikeday
It appears that since the tooltip is technically a PDF form control it can unfortunately block the link. Perhaps you could use JavaScript to replace the value of the title element on the link instead?
Johann
OK, thanks for the explanation. For performance reasons, I'll leave it unchanged since our documents have thousands of pages

- - -
Johann