[typo] TextFilters: Post Processors vs. Macros

Ryan Abrams ryanabrams at gmail.com
Fri Aug 26 17:57:32 EDT 2005


Thanks Justus,

I always check the wiki, but forget the blogs. That's some good  
reading, and it makes more sense now..

-Ryan

On Aug 26, 2005, at 4:27 PM, Justus Pendleton wrote:

> Ryan Abrams wrote:
>
>> My main question is how Macros and Post Processors differ enough  
>> to be
>> treated differently... why is there a distinction?
>>
>
> From Scott's page about filters[1] post-processing filters  
> transform valid HTML to valid HTML.  Since tags like <typo> and  
> <amazon> aren't valid HTML they don't fit that description.  An  
> earlier post[2] talks a little bit about why he made the  
> dinstinctions he did.
>
> [1]: http://scottstuff.net/blog/articles/2005/08/23/introduction-to- 
> typo-filters
> [2]: http://scottstuff.net/blog/articles/2005/08/13/questions-about- 
> typo-filters
>
>
>
>> Why can't i disable flickr parsing for one filter type but not  
>> another?
>>
>
> From the second link I gave, "As long as the Typo macro tags fit  
> into a clean namespace and they don’t have side-effects when they  
> aren’t used, there’s no reason to ever turn them off. If a macro  
> tag filter is installed, then it should be used on all articles."
>
>
>> Why is it ok that the amazon plugin uses an <amazon:ISSN> tag instead
>> of <typo:amazon>ISSN</typo:amazon>? What is the concept there?
>>
>
> I haven't used it but the documentation for the amazon filter  
> suggests you use the form:
>
> <a href="amazon:ASIN">foo</a>
>
> This is valid HTML (although somewhat nonsensical given the target  
> of the HREF) and the post-filter will turn it into other, valid, HTML.
>
>
>> I think maybe it should be a Macro instead.
>>
>
> FWIW, it sounds to me like you want a macro, too.
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