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Tidy mangles whitespace in pre and code tags #1094

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matheusmoreira opened this issue Aug 13, 2023 · 2 comments
Open

Tidy mangles whitespace in pre and code tags #1094

matheusmoreira opened this issue Aug 13, 2023 · 2 comments

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@matheusmoreira
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It appears tidy does not preserve spaces in in <pre> and <code> tags. It renders the entire tag contents as a single line, destroying code formatting.

$ HTML_TIDY=/dev/null tidy -q <<EXAMPLE
<pre>
  <code>
if (true) {
    return false;
}
  </code>
</pre>
EXAMPLE

<!DOCTYPE html>
<html>
<head>
<meta name="generator" content=
"HTML Tidy for HTML5 for Linux version 5.9.14">
<title></title>
</head>
<body>
<pre>
  <code> if (true) { return false; } </code>
</pre>
</body>
</html>

I scoured the manuals for an option that would fix this but found none. The closest would be --literal-attributes but using it did not work, as expected.
@step-
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step- commented Aug 19, 2023

It looks like a regression from 5.8.0

$ HTML_TIDY=/dev/null tidy -q <<EXAMPLE
<pre>
  <code>
if (true) {
    return false;
}
  </code>
</pre>
EXAMPLE
line 1 column 1 - Warning: missing <!DOCTYPE> declaration
line 1 column 1 - Warning: inserting implicit <body>
line 1 column 1 - Warning: inserting missing 'title' element
<!DOCTYPE html>
<html>
<head>
<meta name="generator" content=
"HTML Tidy for HTML5 for Linux version 5.8.0">
<title></title>
</head>
<body>
<pre>
  <code>
if (true) {
    return false;
}
  </code>
</pre>
</body>
</html>

@Seirdy
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Seirdy commented Nov 15, 2023

I've identified 91f29ea as the source of this regression.

Seirdy added a commit to Seirdy/seirdy.one that referenced this issue Nov 15, 2023
@Seirdy
Quit using HTML-Tidy
4910a7c 
See htacg/tidy-html5#1094. The most recent
commit without that regression can't handle `dl` elements with `div`
children.
@nakajima nakajima mentioned this issue May 4, 2024
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3 participants
@matheusmoreira @step- @Seirdy