[lxml-dev] invalid tag names get serialized

[jholg at gmx.de]

Hi Stefan,

> > detect it when you try to parse it back in (in vain). Would it be a
> problem
> > to have the tag name checked before it is set for an element?
> 
> Not entirely "libxml2 behaviour", since it actually provides functions to
> check names. You just have to use them. Although 'just' is slightly too
> simplistic here. The straight forward patch actually breaks lots of test
> cases, e.g. getiterator('*').
> 
> I'll have to look into this, but this is definitely 2.0 stuff. Maybe it
> would
> be enough to check names only in the factory functions, 'el.set()' and
> 'el.attrib.__setitem__()'. Lookup and search methods/functions don't have
> to care.

For my purposes, it would be sufficient if a tree did not serialize successfully; what I want to avoid is that I store/pickle documents that then turn out to not have been well-formed XML in the first place. So maybe that's easier to achieve than to check names straight away, although I fear not...

Holger
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