Configure cspell to ignore multi-line content within a containing [lang] element

[adampage]

Heya @kfranqueiro, here’s another whitespace request. 😅

In #4829, cspell gave me “unknown word” failures for “tou” and “shi”, so I resolved them by adding a file-specific override.

A little further down in cspell.yml, I noticed a regex for ignoring any elements with the lang attribute — which is exactly where my unknown words had occurred in #4829. However, my lang content contained multiple lines, whereas the regex seems to be looking for single line matches.

Would it be okay to make this one more permissive so that I can remove the file-specific override?

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[adampage]

Here’s a multi-line example from my other PR:

<q lang="ja"><!--
  --><ruby><!--
    -->見<rp>(</rp><rt>mi</rt><rp>)</rp><!--
    -->み<rp>(</rp><rt>mi</rt><rp>)</rp><!--
    -->掛<rp>(</rp><rt>ka</rt><rp>)</rp><!--
    -->か<rp>(</rp><rt>ka</rt><rp>)</rp><!--
    -->け<rp>(</rp><rt>ke</rt><rp>)</rp><!--
    -->倒<rp>(</rp><rt>tou</rt><rp>)</rp><!--
    -->だお<rp>(</rp><rt>dao</rt><rp>)</rp><!--
    -->し<rp>(</rp><rt>shi</rt><rp>)</rp><!--
  --></ruby><!--
--></q>

...where the goofy HTML comments are to prevent the browser from rendering unwanted whitespace between the kanji/kana.