Commit 9ea6b88c1 (Fix remaining kak scripts to use the new highlighter syntax, 2018-07-01) changed the regex that detects HTML code blocks from \.\.\h*code::\h*html\h*\n to \.\.\h*html::\h*c\h*\n the stray c looks wrong. According to https://www.sphinx-doc.org/en/master/usage/restructuredtext/directives.html#showing-code-examples a code block looks like .. code-block:: html Some HTML code. Correct the regex accordingly. The original version used "code" instead of "cod- block". That was incorrect because "code" requires a different syntax (no "..") and creates inline code blocks (for which we could add highlighting later), see https://www.sphinx-doc.org/en/master/usage/restructuredtext/roles.html#role-code
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