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authorJacob Hoffman-Andrews <github@hoffman-andrews.com>2022-02-01 22:11:36 -0800
committerJacob Hoffman-Andrews <github@hoffman-andrews.com>2022-02-02 00:29:33 -0800
commit32f62607c3142dfc9eb56a0bd72dee298ca43358 (patch)
treeddba653b35dcf51d20dbe9c0df312b05e0ed38a2 /src/test/rustdoc/src-links-auto-impls.rs
parent1ea4851715893ee3f365a8ef09d47165e9a7864f (diff)
downloadrust-32f62607c3142dfc9eb56a0bd72dee298ca43358.tar.gz
rust-32f62607c3142dfc9eb56a0bd72dee298ca43358.zip
Emit valid HTML from rustdoc
Previously, tidy-html5 (`tidy`) would complain about a few things in our
HTML. The main thing is that `<summary>` tags can't contain `<div>`s.
That's easily fixed by changing out the `<div>`s for `<span>`s with
`display: block`.

However, there's also a rule that `<span>`s can't contain heading
elements. `<span>` permits only "phrasing content"
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/span, and
`<h3>` (and friends) are "Flow content, heading content, palpable
content".
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Heading_Elements

We have a wrapping `<div>` that goes around each `<h3>`/`<h4>`,
etc. We turn that into a `<section>` rather than a `<span>` because
`<section>` permits "flow content".
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/section

After this change we get only three warnings from tidy, run on
struct.String.html:

line 6 column 10790 - Warning: trimming empty <span>
line 1 column 1118 - Warning: <link> proprietary attribute "disabled"
line 1 column 1193 - Warning: <link> proprietary attribute "disabled"

The empty `<span>` is a known issue - there's a span in front of the
search box to work around a strange Safari issue.

The `<link>` attributes are the non-default stylesheets. We can probably
refactor theme application to avoid using this proprietary "disabled"
attribute.
Diffstat (limited to 'src/test/rustdoc/src-links-auto-impls.rs')
-rw-r--r--src/test/rustdoc/src-links-auto-impls.rs12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/test/rustdoc/src-links-auto-impls.rs b/src/test/rustdoc/src-links-auto-impls.rs
index 46b8778217d..0f461a1185b 100644
--- a/src/test/rustdoc/src-links-auto-impls.rs
+++ b/src/test/rustdoc/src-links-auto-impls.rs
@@ -1,12 +1,12 @@
 #![crate_name = "foo"]
 
 // @has foo/struct.Unsized.html
-// @has - '//div[@id="impl-Sized"]/h3[@class="code-header in-band"]' 'impl !Sized for Unsized'
-// @!has - '//div[@id="impl-Sized"]//a[@class="srclink"]' 'source'
-// @has - '//div[@id="impl-Sync"]/h3[@class="code-header in-band"]' 'impl Sync for Unsized'
-// @!has - '//div[@id="impl-Sync"]//a[@class="srclink"]' 'source'
-// @has - '//div[@id="impl-Any"]/h3[@class="code-header in-band"]' 'impl<T> Any for T'
-// @has - '//div[@id="impl-Any"]//a[@class="srclink"]' 'source'
+// @has - '//*[@id="impl-Sized"]/h3[@class="code-header in-band"]' 'impl !Sized for Unsized'
+// @!has - '//*[@id="impl-Sized"]//a[@class="srclink"]' 'source'
+// @has - '//*[@id="impl-Sync"]/h3[@class="code-header in-band"]' 'impl Sync for Unsized'
+// @!has - '//*[@id="impl-Sync"]//a[@class="srclink"]' 'source'
+// @has - '//*[@id="impl-Any"]/h3[@class="code-header in-band"]' 'impl<T> Any for T'
+// @has - '//*[@id="impl-Any"]//a[@class="srclink"]' 'source'
 pub struct Unsized {
     data: [u8],
 }