rustdoc: treat query string + as space

[notriddle]

Fixes #119219

[rustbot]

r? @GuillaumeGomez

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[rustbot]

Some changes occurred in GUI tests.

cc @GuillaumeGomez

Some changes occurred in HTML/CSS/JS.

cc @GuillaumeGomez, @jsha

[GuillaumeGomez]

Thanks to this, I discovered that it was okay to use + to replace a space in a query parameter but not in the path. So weird.

[GuillaumeGomez]

Thanks!

@bors r+ rollup

[bors]

📌 Commit 624885d has been approved by GuillaumeGomez

It is now in the queue for this repository.

[bors]

⌛ Testing commit 624885d with merge ca9ff83...

[bors]

☀️ Test successful - checks-actions
Approved by: GuillaumeGomez
Pushing ca9ff83 to master...

[rust-timer]

Finished benchmarking commit (ca9ff83): comparison URL.

Overall result: ✅ improvements - no action needed

@rustbot label: -perf-regression

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-0.6%	[-0.6%, -0.6%]	1
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	1.4%	[1.4%, 1.4%]	1
Regressions ❌ (secondary)	2.8%	[2.8%, 2.8%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-1.2%	[-1.2%, -1.2%]	1
All ❌✅ (primary)	1.4%	[1.4%, 1.4%]	1

Cycles

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-0.6%	[-0.6%, -0.6%]	1
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-0.6%	[-0.6%, -0.6%]	1

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 672.752s -> 671.868s (-0.13%)
Artifact size: 312.42 MiB -> 312.43 MiB (0.00%)