When exporting source code blocks in Org 8.2.10 to HTML, some programming languages (e.g. Java) display the language name on hover, like so:
But for other languages (e.g. Common Lisp), no name displays on hover.
Is this expected behavior, or a bug?
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Those lines in ox-html.el cause (among others) the hovering "Java" tag:
pre.src:hover:before { display: inline;}
pre.src-sh:before { content: 'sh'; }
pre.src-bash:before { content: 'sh'; }
pre.src-emacs-lisp:before { content: 'Emacs Lisp'; }
pre.src-R:before { content: 'R'; }
pre.src-perl:before { content: 'Perl'; }
pre.src-java:before { content: 'Java'; }
pre.src-sql:before { content: 'SQL'; }
Those are all languages defined, there is no "Lisp" or "Common Lisp".
When you test-add the line
pre.src-lisp:before {content: 'Common Lisp'; }
to the exported CSS file, you'll see a "Common Lisp" hover.
I wouldn't classify this as a bug, though you're right, a language name ought to be displayed for supported babel languages.
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Thanks, I've filed a bug report, even though it's not a "bug" (more of an omission). – Tianxiang Xiong Mar 11 '16 at 21:21
