1

I am using vim-markdown and I want to conceal the tags <u> and </u> of the following text:

Lorem ipsum dolor sit amet, <u>consectetur</u> adipiscing elit, sed do eiusmod tempor

How to do that?

I tried to add the following in after/syntax/markdown.vim, but with no success:

syntax match UTag "<u>" conceal
syntax match UTag "</u>" conceal
syntax region UText start="<u>" end="</u>" contains=NONE concealends cterm=underline gui=underline
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1 Answer 1

Reset to default
0

You can take inspiration from $VIMRUNTIME/syntax/markdown.vim:

" inspired by markdownItalic
syntax region markdownUnderline
    \ matchgroup=htmlTagName
    \ start="<u>\S\@="
    \ end="\S\@<=<\/u>\|^$"
    \ contains=markdownLineStart,@Spell
    \ concealends

Note that cterm=underline and gui=underline have nothing to do in a syntax script. Instead, link your custom highlight group to a default group:

highlight def link markdownUnderline Underlined

See :help syntax and more specifically :help group-name.

With cursor on another line:

a

With cursor on the line with <u>…</u>:

b

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