Comments (7)
sideshowbarker
commented on August 26, 2024
I can't reproduce this when running HTML5 Tidy with the default option settings.
What non-default config options to do you have set? You can do "tidy -show-config" to list all your current settings.
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mindnektar
commented on August 26, 2024
I compared the output of tidy -show-config with the options reference and found no differences, so it appears that no non-default options are set. Here is the output if you'd like to check:
tidy -show-config
Configuration File Settings:
Name Type Current Value
=========================== ========= ========================================
accessibility-check enum 0 (Tidy Classic)
add-xml-decl Boolean no
add-xml-space Boolean no
alt-text String
anchor-as-name Boolean yes
ascii-chars Boolean no
assume-xml-procins Boolean no
bare Boolean no
break-before-br Boolean no
char-encoding Encoding utf8
clean Boolean no
coerce-endtags Boolean yes
css-prefix String
decorate-inferred-ul Boolean no
doctype DocType auto
doctype-mode Integer *2
drop-empty-elements Boolean yes
drop-empty-paras Boolean yes
drop-font-tags Boolean no
drop-proprietary-attributes Boolean no
enclose-block-text Boolean no
enclose-text Boolean no
error-file String
escape-cdata Boolean no
fix-backslash Boolean yes
fix-bad-comments Boolean yes
fix-uri Boolean yes
force-output Boolean no
gnu-emacs Boolean no
gnu-emacs-file String
hide-comments Boolean no
hide-endtags Boolean no
indent AutoBool no
indent-attributes Boolean no
indent-cdata Boolean no
indent-spaces Integer 2
input-encoding Encoding utf8
input-xml Boolean no
join-classes Boolean no
join-styles Boolean yes
keep-time Boolean no
language String
literal-attributes Boolean no
logical-emphasis Boolean no
lower-literals Boolean yes
markup Boolean yes
merge-divs AutoBool auto
merge-emphasis Boolean yes
merge-spans AutoBool auto
ncr Boolean yes
new-blocklevel-tags Tag names
new-empty-tags Tag names
new-inline-tags Tag names
new-pre-tags Tag names
newline enum LF
numeric-entities Boolean no
output-bom AutoBool auto
output-encoding Encoding utf8
output-file String
output-html Boolean no
output-xhtml Boolean no
output-xml Boolean no
preserve-entities Boolean no
punctuation-wrap Boolean no
quiet Boolean no
quote-ampersand Boolean yes
quote-marks Boolean no
quote-nbsp Boolean yes
repeated-attributes enum keep-last
replace-color Boolean no
show-body-only AutoBool no
show-errors Integer 6
show-warnings Boolean yes
slide-style String
sort-attributes enum none
split Boolean no
tab-size Integer 8
tidy-mark Boolean yes
uppercase-attributes Boolean no
uppercase-tags Boolean no
vertical-space Boolean no
word-2000 Boolean no
wrap Integer 68
wrap-asp Boolean yes
wrap-attributes Boolean no
wrap-jste Boolean yes
wrap-php Boolean yes
wrap-script-literals Boolean no
wrap-sections Boolean yes
write-back Boolean no
Values marked with an *asterisk are calculated
internally by HTML Tidy
For reference, this is the complete output I get:
cat test.html
<span><a href="/">Test</a></span>
tidy test.html
line 1 column 1 - Warning: missing <!DOCTYPE> declaration
line 1 column 1 - Warning: inserting implicit <body>
line 1 column 19 - Warning: inserting implicit <span>
line 1 column 19 - Warning: missing </span> before </a>
line 1 column 1 - Warning: inserting missing 'title' element
Info: Document content looks like HTML5
5 warnings, 0 errors were found!
<!DOCTYPE html>
<html>
<head>
<meta name="generator" content=
"HTML Tidy for HTML5 (experimental) for Linux https://github.com/w3c/tidy-html5/tree/ddb5702">
<title></title>
</head>
<body>
<span><a href="/"><span>Test</span></a></span>
</body>
</html>
About this fork of Tidy: http://w3c.github.com/tidy-html5/
Bug reports and comments: https://github.com/w3c/tidy-html5/issues/
Or send questions and comments to [email protected]
Latest HTML specification: http://dev.w3.org/html5/spec-author-view/
HTML language reference: http://dev.w3.org/html5/markup/
Validate your HTML5 documents: http://validator.w3.org/nu/
Lobby your company to join the W3C: http://www.w3.org/Consortium
I didn't properly look at the warnings before, as I should have. The "inserting implicit <span>" obviously is the key, but why is it doing that?
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sideshowbarker
commented on August 26, 2024
Please do "tidy -v" and check what version of tidy you're using.
Regardless, you should if possible check out the latest sources and rebuild.
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sideshowbarker
commented on August 26, 2024
No response for a month, so closing this now. Feel free to re-open it if you have new information.
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jznf
commented on August 26, 2024
@sideshowbarker
I guess this issue should be reopened since it's not fixed yet even after years.
I've tried version 5.2.0 from http://binaries.html-tidy.org/ on OSX and latest Debian, the behaviour is the same:
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<span><button>OK</button></span>
</body>
</html>
results in
<!DOCTYPE html>
<html>
<head>
<meta content="HTML Tidy for HTML5 for Mac OS X version 5.2.0" name="generator">
<title></title>
</head>
<body>
<span><button><span>OK</span></button></span>
</body>
</html>
options set are:
indent-attributes: 0,
wrap-attributes: 0,
tidy-mark: 1,
drop-empty-elements: 0,
preserve-entities: 1,
indent: 1,
indent-spaces: 4,
hide-comments: 1,
doctype: 'html5',
sort-attributes: 'alpha',
split: 1,
merge-divs: 0,
merge-spans: 0,`
used via pytidylib6==0.2.2 but behaves the same when used directly with default settings.
Edit: correction of markdown.
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geoffmcl
commented on August 26, 2024
@jznf thanks for the report...
You have certainly found a case where tidy, since sometime before 2009, will propagate the <span> to inside the <button> block, thus producing additional tags...
But as @sideshowbarker reported way back then, this does not happen in the original minimal html sample given, by @mindnektar, so this is a new case, thus would prefer we open a new Feature Request issue for this... thanks...
I call it a Feature Request since this propagation in certain circumstances has been tidy's action for maybe upwards of 10 years. That is, it is deliberate coded behavior, so is not a bug, per se... We would need to explore why this was chosen... why was it thought needed? ie what case or cases did it fix along the way? And maybe we would need a new tidy option to now stop doing this... all of this points to this being a new issue... that needs its own discussion... thanks...
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jznf
commented on August 26, 2024
Ok, thanks. I've opened #461
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