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From Nick Kew <>
Subject Re: ap_expr problems
Date Sun, 24 Oct 2010 23:19:52 GMT

On 23 Oct 2010, at 12:36, Stefan Fritsch wrote:

> Since we won't be able to change the ap_expr syntax in any significant 
> way after 2.4 has been released, we should try to do it right in 2.4. 

+1.  Thanks for opening this discussion.

> Therefore I suggest to replace it with something that is closer to 
> ssl_expr. Initially, I thought it would be nice to have a SSI 
> compatibility mode, but now I think it would be cleaner to just stick 
> the SSI expression parser back into mod_include and not deal with it 
> further. On the other hand, maybe it is possible to make ap_expr 
> syntax compatible with ssl_expr and replace it. If not, at least the 
> evaluation logic should be shared between ap_expr and ssl_expr.

Would you expect to break API compatibility here?  The current API
is designed to admit some per-module variations (with expr_eval
being passed string_func and eval_func as arguments), but also
to make that, by default, unnecessary.

Nick Kew

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