[XeTeX] how to do (better) searchable PDFs in xelatex?

Andrew Cunningham lang.support at gmail.com
Mon Oct 15 02:37:22 CEST 2012

Properly developed fonts will only facilitate content in non-complex scripts.

On 15 October 2012 10:47,  <mskala at ansuz.sooke.bc.ca> wrote:
> On Sun, 14 Oct 2012, Peter Baker wrote:
>> It's all in the font, really. If an OT substitution results in a character
>> from the font's PUA being inserted in the character stream (except for a few
>> standard ligatures), then the result will be broken searches. Because of
> Adobe encourages font designers to give glyphs names that reflect the
> Unicode code points (or sequences thereof) that the glyphs should
> represent in searches.  If font designers did that, and if PDF readers
> looked at the glyph names according to Adobe's directions, then searches
> would work regardless of PUA use.  However, not all fonts and not all
> readers do this.
> Some PDF readers will use the code points in the cmap table or equivalent
> in preference to the glyph names when cmap code points exist, so your
> recommendation of unencoded glyphs remains a good idea even when glyph
> names ought to resolve the issue.
> --
> Matthew Skala
> mskala at ansuz.sooke.bc.ca                 People before principles.
> http://ansuz.sooke.bc.ca/
> --------------------------------------------------
> Subscriptions, Archive, and List information, etc.:
>   http://tug.org/mailman/listinfo/xetex

Andrew Cunningham
Project Manager, Research and Development
Social and Digital Inclusion Unit
Public Libraries and Community Engagement
State Library of Victoria
328 Swanston Street
Melbourne VIC 3000

Ph: +61-3-8664-7430
Mobile: 0459 806 589
Email: acunningham at slv.vic.gov.au
          lang.support at gmail.com


More information about the XeTeX mailing list