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Mark,
On 5/26/17 6:59 AM, Mark Thomas wrote:
> On 26/05/17 10:15, David Kavanagh wrote:
>> Hey guys,
>>
>> Thanks for getting back to me. I didn't realise that the
>> attachments would be stripped.> Here are the two files in full.
>
> That isn't enough for us to reproduce it. Those files refer to a
> handful of other tag files and classes we don't have.
>
> However, I have been able to derive a simple test case from it:
>
> =====start====== <p class="${'foo'} ${'bar'}">This is a test</p>
> ======end=======
>
> The output with trimSpaces enabled is:
>
> =====start====== <p class="foobar">This is a test</p>
> ======end=======
>
> trimSpaces is behaving exactly as designed. It removes any blocks
> of template text that consist solely of white space.
>
> What you have is: TemplateText [<p class="] Expression
> [${'foo'}] TemplateText [ ] Expression [${'bar'}] TemplateText
> [">This is a test</p>]
>
> Because the second template text is empty, it gets removed.
>
> The fix is:
>
> =====start====== <p class="${'foo'}${' '}${'bar'}">This is a
> test</p> ======end=======
>
> This is a potential use case for a recently closed (as WONTFIX)
> enhancement request:
>
> https://bz.apache.org/bugzilla/show_bug.cgi?id=45931
>
> Whether this use case is sufficient to justify re-opening that
> enhancement request, reviewing the patch and updating it for 9.0.x
> is TBD. How realistic is it for you to apply the fix (using ${'
> '}) described above?
Would it be reasonable to change trimSpaces so that spaces within
element attributes would be normalized to a single space, and others
would be removed? I'm not sure how aware the parser is of the
surrounding document structure.
- -chris
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