The names of the default CSS styles

The names of the default CSS styles

[name name]

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If I convert the following snippet, with the `--standalone` option, from 
Markdown to HTML,

~~~~
~~~ {.language .numberLines startFrom=100}
fenced code block line 100
fenced code block line 101
~~~
~~~~

... the resulting HTML will contain a list of styles included by Pandoc by 
default.

Does anybody know why those styles named so differently, inconsistently? 
See the excertp below: alllowercase for small caps, lowercase-with-hyphens 
for divs with the hanging indent, and camelCase for source code blocks.

~~~
span.smallcaps{font-variant: small-caps;}
div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
pre.sourceCode { margin: 0; }
~~~

What is the logic there?

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Re: The names of the default CSS styles

[Albert Krewinkel]

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> name name <ivan20151013-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> hat am 27.08.2022 08:56 CEST geschrieben:
>
> Does anybody know why those styles named so differently,
> inconsistently? See the excertp below: alllowercase for small caps,
> lowercase-with-hyphens for divs with the hanging indent, and camelCase
> for source code blocks.
>
> ~~~
> span.smallcaps{font-variant: small-caps;}
> div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
> pre.sourceCode { margin: 0; }
> ~~~
>
> What is the logic there?

`.sourceCode` is the class used by reveal.js, so pandoc has to match
that.

The other instances are most likely historic / incidental: pandoc is a
16 year old project and includes code contributed by more than 400
people, an each one had different taste in code style. Moreover, the style
used in a programming language leaks into the generated code. E.g.,
Haskell code uses camelCase, so class names often tend to use camelCase
as well. There is also no pandoc coding standard for CSS, so these
differences are to be expected.

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Re: The names of the default CSS styles

[John MacFarlane]

> On Aug 27, 2022, at 3:39 AM, Albert Krewinkel <albert+pandoc-9EawChwDxG8hFhg+JK9F0w@public.gmane.org> wrote:
> 
> 
> > name name <ivan20151013-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> hat am 27.08.2022 08:56 CEST geschrieben:
> >
> > Does anybody know why those styles named so differently,
> > inconsistently? See the excertp below: alllowercase for small caps,
> > lowercase-with-hyphens for divs with the hanging indent, and camelCase
> > for source code blocks.
> >
> > ~~~
> > span.smallcaps{font-variant: small-caps;}
> > div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
> > pre.sourceCode { margin: 0; }
> > ~~~
> >
> > What is the logic there?
> 
> `.sourceCode` is the class used by reveal.js, so pandoc has to match
> that.

But that's not why, because sourceCode has been used by pandoc since before reveal.js existed!

Yes, there are some inconsistencies; it's tough to keep everything in sync in such a big project.  Restoring consistency would break backwards compatibility, though, so probably not worth it.