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Auto merge of #79642 - ijackson:default-theme-stab, r=jyn514

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rustdoc: stabilise --default-theme command line option

As discussed in #77213, this seems like it has bedded in and can be safely and usefully made stable.

(rustdoc already has other stable options that interact quite intimately with the rustdoc-supplied CSS, and also an option for supplying entirely different CSS, so exposing the theme names this way seems a very minor step.)

There is also a commit to do some minor grammar fixes to the help message.
This commit is contained in:
bors 2020-12-27 09:55:51 +00:00
commit dc6121ca68
2 changed files with 22 additions and 2 deletions
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20
src/doc/rustdoc/src/command-line-arguments.md
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@ -237,6 +237,26 @@ for a target triple that's different than your host triple.
All of the usual caveats of cross-compiling code apply.
## `--default-theme`: set the default theme
Using this flag looks like this:
```bash
$ rustdoc src/lib.rs --default-theme=ayu
```
Sets the default theme (for users whose browser has not remembered a
previous theme selection from the on-page theme picker).
The supplied value should be the lowercase version of the theme name.
The set of available themes can be seen in the theme picker in the
generated output.
Note that the set of available themes - and their appearance - is not
necessarily stable from one rustdoc version to the next. If the
requested theme does not exist, the builtin default (currently
`light`) is used instead.
## `--markdown-css`: include more CSS files when rendering markdown
Using this flag looks like this:

4
src/librustdoc/lib.rs
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@ -263,13 +263,13 @@ fn opts() -> Vec<RustcOptGroup> {
"sort modules by where they appear in the program, rather than alphabetically",
)
}),
unstable("default-theme", |o| {
stable("default-theme", |o| {
o.optopt(
"",
"default-theme",
"Set the default theme. THEME should be the theme name, generally lowercase. \
If an unknown default theme is specified, the builtin default is used. \
The set of themes, and the rustdoc built-in default is not stable.",
The set of themes, and the rustdoc built-in default, are not stable.",
"THEME",
)
}),