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rust/tests/ui/rustdoc
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Esteban Küber 2d7795dfb9 Be more accurate about calculating display_col from a BytePos 
No longer track "zero-width" chars in `SourceMap`, read directly from the line when calculating the `display_col` of a `BytePos`. Move `char_width` to `rustc_span` and use it from the emitter.

This change allows the following to properly align in terminals (depending on the font, the replaced control codepoints are rendered as 1 or 2 width, on my terminal they are rendered as 1, on VSCode text they are rendered as 2):

```
error: this file contains an unclosed delimiter
  --> $DIR/issue-68629.rs:5:17
   |
LL | ␜␟ts␀![{i
   |       -- unclosed delimiter
   |       |
   |       unclosed delimiter
LL | ␀␀  fn rݻoa>rݻm
   |                ^
```
2024-07-18 20:08:38 +00:00
..
cfg-rustdoc.rs
cfg-rustdoc.stderr
check-doc-alias-attr-location.rs
check-doc-alias-attr-location.stderr
check-doc-alias-attr.rs
check-doc-alias-attr.stderr
deny-invalid-doc-attrs.rs
deny-invalid-doc-attrs.stderr
doc_keyword.rs
doc_keyword.stderr
doc-alias-crate-level.rs
doc-alias-crate-level.stderr
doc-alias-same-name.rs
doc-alias-same-name.stderr
doc-inline-extern-crate.rs
doc-inline-extern-crate.stderr
doc-primitive.rs
doc-primitive.stderr
doc-test-attr-pass.rs
doc-test-attr.rs
doc-test-attr.stderr
duplicate_doc_alias.rs
duplicate_doc_alias.stderr
feature-gate-doc_primitive.rs
feature-gate-doc_primitive.stderr
hidden-doc-associated-item.rs
README.md
renamed-features-rustdoc_internals.rs
renamed-features-rustdoc_internals.stderr
unterminated-doc-comment.rs
unterminated-doc-comment.stderr

README.md

This directory is for tests that have to do with rustdoc, but test the behavior of rustc. For example, rustc should not warn that an attribute rustdoc uses is unknown.