"tab" char within <screen> or <programlisting>

[Tomas HAJEK <tomas.hajek@st.com>]

Hi all,

I am following Denis Gillain in the question "if some one had already 
the same idea" about expanding tab characters for FO output.
The task is obviously not as simple as just replacement of every <tab> 
by several amount of spaces.
I also explored EXSLT, if there is some function for this, but 
unsuccessfully.
Maybe there could be the way of making another extension of docbook-xsl 
in Java, how about that? The tabbing algorithm is not so complicated 
(ok, one needs Java), but I have no experience, how to include it into 
XSL stylesheets.

The usage idea is that there is a global setting for the tabsize, while 
there is some element-instance-specific possibility of overriding 
tabsize for that particular element.

IMHO, this could be really nice and useful feature.

P.S> I have seen some rumours about XSL-FO 1.1 (or so) spec in this 
mailing list, which could adress this issue, does anybody know something 
new about it?

Best regards,
       Tomas

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