[texhax] unicode

William F. Adams wadams at atlis.com
Wed Aug 3 14:43:45 CEST 2005


On Aug 3, 2005, at 3:39 AM, Alexander Grahn wrote:

> I will give the ucs-package a try. My computer has not been generally 
> unicode
> enabled. Therefore, original strings are ordinary (8 bit?)-ASCII.

only if you're using some kind of 8-bit 
\usepackage[8-bit-encoding-foo]{inputenc} line in your preamble.

> I found an example PDF-file which suits my needs. At one position 
> therein
> the string appears as
>
>   /T (somestring)
>
> and at another as
>
>   [(^@s^@o^@m^@e^@s^@t^@r^@i^@n^@g) 10 0 R ...]
>
> if I open the file in the Vim editor.
>
> The first occurence is obviously plain ASCII and the second one Unicode
> (the PDF-specification 1.6 is saying this).
>
> If, for example, I define a string
> as
>
>   \def\mystring{^@C^@a^@r^@l}
>
> TeX complains:
>
> ! Text line contains an invalid character.
> l.8 \def\mystring{^^@
>                      C^^@a^^@r^^@l}
>
> Maybe the ucs-package helps to properly escape the nonprintable
> characters.  Nevertheless, I must get them somehow into the PDF
> eventually.

\def\mystring{^@C^@a^@r^@l} handles it literally, and you've not 
changed the catcode of ^ so that it doesn't have a special meaning.

You may be able to do this sort of thing w/ a pdfliteral (check the 
pdftex docs), but may need to be using dvipdfmx and appropriate 
packages if you need a .dvi.

William

-- 
William Adams, publishing specialist
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www.atlis.com



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