Re: changes in HTML and Slidy templates

["Matthias Hüning" <matthias.huening-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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Oops - I am sorry, I found this issue (#2221) in the changelog for 1.17.2.
(Looks like I skipped this version.)

- Matthias

Am Donnerstag, 10. November 2016 14:33:51 UTC+1 schrieb Matthias Hüning:
>
> Yes, John, I know that you are conservative about such changes (and I 
> appreciate that). And of course I also fully understand that such changes 
> are sometimes necessary.
>
> I usually do look at the changelog, but it's often very long and it gets 
> difficult to identify those changes that might affect your own workflow. 
> (Would it be doable to mark the changes that might break existing 
> workflows? Give them an icon or make them red or something?)
>
> By the way: 
> This specific change is not in the changelog for 1.18, isn't it? At least, 
> I couldn't find it on
> https://github.com/jgm/pandoc/releases/tag/1.18
>
> Best, Matthias
>
>
> Am Donnerstag, 10. November 2016 12:24:28 UTC+1 schrieb John MacFarlane:
>>
>> Yes, I understand the concern. As you can see from my 
>> reluctance to make the change, I tend to be conservative 
>> about such things.  And perhaps it would have been better 
>> to have raised it on pandoc-discuss first. 
>>
>> However, we do need to be able to make breaking changes 
>> occasionally, to make pandoc better.  My advice is to 
>> read the changelog carefully whenever you upgrade. 
>>
>> +++ Matthias Hüning [Nov 10 16 01:55 ]: 
>> >   Hi John, 
>> >   I now read issue #2221 because I wanted to understand why you made 
>> this 
>> >   change. I saw your comment: 
>> > 
>> >     2) The proposed change might break some current workflows. For 
>> >     example, I'm accustomed to having the slide headings of my 
>> >     pandoc-generated reveal.js slides be h1s, and my CSS assumes that. 
>> >     Presumably there are others like me. Breaking changes like this 
>> >     should not be made lightly. 
>> > 
>> >   While I can see the motivation for this change, I still want to let 
>> you 
>> >   know that I share your concerns. Breaking changes can cause a lot of 
>> >   problems. In this case the change broke my workflow. 
>> >   I use the Slidy format for years now for quick and dirty 
>> presentations 
>> >   and notes in my teaching and sometimes I change things five minutes 
>> >   before I have to use the slides. Fortunately, I discovered these 
>> >   changes when I still had time to adapt template and stylesheet, but 
>> it 
>> >   could have been different just as well... 
>> >   - Matthias 
>> >   Am Mittwoch, 9. November 2016 18:04:07 UTC+1 schrieb John MacFarlane: 
>> > 
>> >     +++ Matthias Hüning [Nov 09 16 07:51 ]: 
>> >     >   Hello, 
>> >     >   I noticed some changes in HTML en Slidy conversion in Pandoc 
>> >     > 
>> >     >     HTML, EPUB, slidy, revealjs templates: Use <p> instead of 
>> <h1> 
>> >     for 
>> >     >     subtitle, author, date ([1]#3119). Note that, as a result of 
>> >     this 
>> >     >     change, authors may need to update CSS. 
>> >     > 
>> >     >   This seems to be true for html, but not for slidy, where 
>> >     subtitle still 
>> >     >   is <h1>. 
>> >     Are you perhaps using an older version of the template? 
>> >     (Maybe you have one in ~/.pandoc/templates?)  Template has: 
>> >     $if(subtitle)$ 
>> >       <p class="subtitle">$subtitle$</p> 
>> >     $endif$ 
>> >     >   In Slidy, I now get <h2> for slide titles instead of <h1>, 
>> isn't 
>> >     it? 
>> >     >   <div id="xxx" class="slide section level2"> 
>> >     ><h2>xxx</h2> 
>> >     That's this item in the changelog: 
>> >         + In slide shows, don't change slide title to level 1 header 
>> >     (#2221). 
>> >     You used level 2 headers in your source file, I assume? 
>> > 
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