On Sun, Jan 27, 2008 at 01:08:09PM -0500, Stephan Richter wrote: > On Monday 17 December 2007, David Pratt wrote: > > Hi. Is there solution for create a single quoted attribute using > > tal:attributes containing literal double quoted items. I am using a > > python method for generating the string. I understand structure will > > unquote but it does not work with an attribute. > > Well, attributes must always be quoted based on the XML spec, right. > Otherwise > TAL could produce invalid XML. What does the spec actually say about this?
XML 1.0 spec says this: Attribute ::= Name Eq AttValue AttValue ::= '"' ([^<&"] | Reference)* '"' | "'" ([^<&'] | Reference)* "'" In other words, you can use either double quotes or single quotes. References: http://www.w3.org/TR/REC-xml/#dt-stag http://www.w3.org/TR/REC-xml/#NT-AttValue XML 1.1 spec says the same: http://www.w3.org/TR/xml11/#dt-stag http://www.w3.org/TR/xml11/#NT-AttValue HTML 4 spec agrees: http://www.w3.org/TR/html401/intro/sgmltut.html#h-3.2.2 > > I see there is a new > > z3c.tal package based on lxml. Will I have to go as far as customizing > > tal to do this? I realize this may be best on the zpt list but it it > > rarely if ever used these days. Many thanks. > > Well, if the XML specification allows for your output, we could consider it > not working this way a bug. Why? A missing feature, surely, but why would generating attr=""" instead of attr='"' be considered a bug? > However, it would make the code much more > complicated, I think (unless we support structure as well in this case). Marius Gedminas -- Despite all appearances, your boss is a thinking, feeling, human being.
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