goldmark-customtag is an extension for goldmark that turns lines prefixed with the provided prefix into lines wrapped in the provided HTML tag. for example, if you use it like so:

md := goldmark.New(
    goldmark.WithExtensions(
        customtag.New("::", "aside"),
    ),
)

then it will turn

:: *this* sort of text,
::
:: spread across multiple paragraphs

into

<aside>
    <p><em>this</em> sort of text,</p>
    <p>spread across multiple paragraphs</p>
</aside>

installation

go get github.com/tendstofortytwo/goldmark-customtag

license

MIT license; see LICENSE.md.