Re: [xml] libxslt does not check extension function existence at creating stylesheet time

[Nick Wellnhofer <wellnhofer aevum de>]

On 14/05/2015 16:03, ajay bhadauria wrote:
> Hello,
> We are compiling stylesheet which has dependent xslt files  through import.
> These dependent xslt files have extension functions.
> We noticed at stylesheet creation time , libxslt does not check on the
> existence of the extension functions. However, at validation time
> when we apply the stylesheet , we get the error indicating that the extension
> function is not found.
> We register the extension functions through xsltRegisterExtModuleFunction()
> providing the correct namespace and callbacks.
> Could you please help us
> 1.  Why it does not complain extension function during stylesheet creation ?

In order to allow Forwards-Compatible Processing:

    http://www.w3.org/TR/xslt#forwards

> 2. Why it is not finding function at validation time ?

It's hard to tell without a reproducible test case. Please show us your code 
and the exact error message.

Also note that I moved this discussion to the libxslt mailing list 
(xslt gnome org).

Nick