[PATCH v2 1/3] highlight: add workaround for empty lines getting filtered out

Ferry Huberts mailings at hupie.com
Tue Feb 21 19:41:32 CET 2012



On 21-02-12 15:23, Lukas Fleischer wrote:
> On Tue, Feb 21, 2012 at 02:45:02PM +0100, Ferry Huberts wrote:
>>
>>
>> On 21-02-12 14:16, Lukas Fleischer wrote:
>>> On Tue, Feb 21, 2012 at 01:13:29PM +0100, Ferry Huberts wrote:
>>>> From: Ferry Huberts<ferry.huberts at pelagic.nl>
>>>>
>>>> Saw this happening on a CentOS 6.2 box
>>>>
>>>> Signed-off-by: Ferry Huberts<ferry.huberts at pelagic.nl>
>>>> ---
>>>>   filters/syntax-highlighting.sh |    3 ++-
>>>>   1 files changed, 2 insertions(+), 1 deletions(-)
>>>>
>>>> diff --git a/filters/syntax-highlighting.sh b/filters/syntax-highlighting.sh
>>>> index 6283ce9..c930e07 100755
>>>> --- a/filters/syntax-highlighting.sh
>>>> +++ b/filters/syntax-highlighting.sh
>>>> @@ -42,4 +42,5 @@ EXTENSION="${BASENAME##*.}"
>>>>   # map Makefile and Makefile.* to .mk
>>>>   [ "${BASENAME%%.*}" == "Makefile" ]&&   EXTENSION=mk
>>>>
>>>> -exec highlight --force -f -I -X -S $EXTENSION 2>/dev/null
>>>> +# the sed with  is a workaround for empty lines getting filtered out
>>>> +exec highlight --force -f -I -X -S $EXTENSION 2>/dev/null | sed -r 's/^[[:space:]]*$/\ /'
>>>
>>> I'm not sure what you're trying to fix here. The whole output of source
>>> filters is always embedded in "pre" containers, so there shouldn't be
>>> any need to replace spaces by " ", really. This rather sounds like
>>> a bug in your rendering engine...
>>>
>>
>> same firefox instance...
>> I've tried to trace it but didn't come to a conclusive answer
>
> Just have a look at the HTML source and check whether it contains the
> empty lines. If it doesn't, this is a highlight(1) bug. If it does, it
> clearly is a bug in your rendering engine.
>

ok, narrowed it down:
trac appears to be removing empty lines in the html it outputs, have to 
look further into it.

the output of highlight is ok, it has the empty lines.


-- 
Ferry Huberts




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