On 2012-07-26 15:38, Nagarajan Chinnasamy wrote:
So, we need to find a solution that will:
1. maintain backward compatibility (not breaking the ones without
space after <?)
2. co-exist with other "<?" usages (like <?xml)
let's look at it in a different way for a minute. We don't have to
necessarily support the <?xml ...?> tag everywhere. We have to detect
the standard header for a canonical XML document which occurs at the
very beginning of it. Would it make the problem easier to tackle with
the current code of Rivet? Just wondering...
3. not need users to recompile Rivet or write code
I'm against the adoption of a run time switch basically on the ground
that Rivet has to declare and support one way to embed scripts. This has
also would impact the documentation and the test suite. Anyone wanting
to use different start/end tags can do it rebuilding and redefining
START_TAG/END_TAG. I never tested the effect of defining START_TAG as
"<?rvt", definitely it would be a good test to see if those preprocessor
symbols are used consistently in the parser throughout. A sign the code
is well written from this point of view. In case a switch for the
'configure' script could make things easier (--with-start-tag=...,
--with-end-tag=...).
-- Massimo
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