[Petal] Bugs and such

[William McKee]

As annoying as bugs are, they can sometimes lead to interesting
discoveries. For instance, while tracking down an issue with the
backslash not properly escaping the semicolon in the replace attribute,
I came across the following combination of tags which are effectively
the same as replace:

  <span tal:omit-tag="" tal:content="string:Good Morning George"></span>

I had never really made much use of that tag. An example of usage from
the POD shows it in a div element used only for doing a repeat. The
omit-tag removes the spurious div when Petal is finished processing.
This could be useful for non-content tags which cause display problems.

BTW, the patch is on CPAN[1].


William

[1] http://rt.cpan.org/NoAuth/Bugs.html?Dist=Petal

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