[pdftex] ToUnicode map and virtual fonts

Thanh Han The hanthethanh at gmail.com
Sat Sep 30 18:47:41 CEST 2006

Hi Werner,



On Sat, Sep 30, 2006 at 04:05:56PM +0200, Werner LEMBERG wrote:
> [pdfeTeX 3.141592-1.30.4-2.2 (Web2C 7.5.5)]
> It's rather easy to attach a ToUnicode cmap to a font using \pdfobj.
> Alas, it seems that pdftex is not able to properly resolve the
> assignments to the base font(s) in case of virtual fonts.
> I'm not sure whether this qualifies as a bug; anyway, it's very
> inconvenient: Due to the many different CJK encodings still floating
> around it makes sense to provide CJK fonts in various encodings using
> the virtual font mechanism.
> Note that dvipdfmx, which normally doesn't need explicit ToUnicode
> cmaps because it is able to build them by itself, doesn't have this
> problem.
> Any chance that this is going to be fixed?
>     Werner
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