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Comment by lispm | Hacker News Reader

Programming Language Popularity on Github and Stackoverflow.

Okay.

There are a lot of funny bits. For example the 'language' 'IO' is tagged quite a lot on stackoverflow. Or was it 'Input / Output'?

Common Lisp has fewer tags on stackoverflow - maybe because many questions are just tagged 'Lisp'.

'J' has very little lines changed. That could be a good sign, since it is based on APL, which is famous for its one line programs.

Perl6 is at the bottom. Okay.

CSS is now a programming language.

XML is now a programming language.

Self has some tags on Stackoverflow. But mostly in the context of other programming languages, not the programming language Self.

Etc.

This is flawed in so many details.

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>There are a lot of funny bits. For example the 'language' 'IO' is tagged quite a lot on stackoverflow. Or was it 'Input / Output'?

I got so fed up with "IO" tag being used for Io (http://iolanguage.org/) questions on Stackoverflow that I created the iolanguage tag and then re-tagged all the Io questions!

I did this a few years ago (2010 i think) so luckily there wasn't many questions to change :)

Io question count currently stands at 44 and not the 7,126 as shown on the chart.

ref: http://stackoverflow.com/tags/iolanguage

XML

With XSLT, yes.

http://fxsl.sourceforge.net/articles/FuncProg/Functional%20P...

XSLT is listed separately

"CSS is now a programming language. XML is now a programming language."

Seconded. Could we please stop call CSS a language. If not, add PDF to the list.

Interestingly, PDFs actually do contain an embedded programming language in them, a subset of PostScript. [1] PostScript, meanwhile, is actually Turing complete with conditionals and loop structures inside of it. [2] I'd argue that makes PDFs a whole lot more programming language-y than CSS or XML.

[1]: http://en.wikipedia.org/wiki/PDF#Technical_foundations

[2]: http://en.wikipedia.org/wiki/PostScript#The_language

"PDFscript" (as I like to call it) is not Turing complete. It's more similar to SVG in terms of capability. From the PDF spec:

"To simplify the processing of content streams, PDF does not include common programming language features such as procedures, variable, and control constructs."

    > Could we please stop call CSS a language

If you're going to be pedantic, be pedantic right. CSS is indeed a language, even if it's arguably[1] not a programming one.

[1] http://stackoverflow.com/questions/2497146/is-css-turing-com...

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