Rename main theme into light theme

src/doc/rustdoc/src/unstable-features.md

@@ -305,7 +305,7 @@ $ rustdoc src/lib.rs -Z unstable-options --themes theme.css
 
 Giving this flag to `rustdoc` will make it copy your theme into the generated crate docs and enable
 it in the theme selector. Note that `rustdoc` will reject your theme file if it doesn't style
-everything the "main" theme does. See `--theme-checker` below for details.
+everything the "light" theme does. See `--theme-checker` below for details.
 
 ### `--theme-checker`: verify theme CSS for validity
 
@@ -316,7 +316,7 @@ $ rustdoc -Z unstable-options --theme-checker theme.css
 ```
 
 Before including your theme in crate docs, `rustdoc` will compare all the CSS rules it contains
-against the "main" theme included by default. Using this flag will allow you to see which rules are
+against the "light" theme included by default. Using this flag will allow you to see which rules are
 missing if `rustdoc` rejects your theme.
 
 ### `--resource-suffix`: modifying the name of CSS/JavaScript in crate docs
@@ -330,7 +330,7 @@ $ rustdoc src/lib.rs -Z unstable-options --resource-suffix suf
 When rendering docs, `rustdoc` creates several CSS and JavaScript files as part of the output. Since
 all these files are linked from every page, changing where they are can be cumbersome if you need to
 specially cache them. This flag will rename all these files in the output to include the suffix in
-the filename. For example, `main.css` would become `main-suf.css` with the above command.
+the filename. For example, `light.css` would become `light-suf.css` with the above command.
 
 ### `--display-warnings`: display warnings when documenting or running documentation tests
 

src/librustdoc/html/layout.rs

@@ -53,7 +53,7 @@ pub fn render<T: fmt::Display, S: fmt::Display>(
           id="mainThemeStyle">
     {themes}
     <link rel="stylesheet" type="text/css" href="{root_path}dark{suffix}.css">
-    <link rel="stylesheet" type="text/css" href="{root_path}main{suffix}.css" id="themeStyle">
+    <link rel="stylesheet" type="text/css" href="{root_path}light{suffix}.css" id="themeStyle">
     <script src="{root_path}storage{suffix}.js"></script>
     {css_extension}
 

src/librustdoc/html/render.rs

@@ -129,8 +129,8 @@ pub struct SharedContext {
     pub sort_modules_alphabetically: bool,
     /// Additional themes to be added to the generated docs.
     pub themes: Vec<PathBuf>,
-    /// Suffix to be added on resource files (if suffix is "-v2" then "main.css" becomes
-    /// "main-v2.css").
+    /// Suffix to be added on resource files (if suffix is "-v2" then "light.css" becomes
+    /// "light-v2.css").
     pub resource_suffix: String,
 }
 
@@ -743,7 +743,7 @@ fn write_shared(cx: &Context,
     write(cx.dst.join(&format!("rustdoc{}.css", cx.shared.resource_suffix)),
           include_bytes!("static/rustdoc.css"))?;
 
-    // To avoid "main.css" to be overwritten, we'll first run over the received themes and only
+    // To avoid "light.css" to be overwritten, we'll first run over the received themes and only
     // then we'll run over the "official" styles.
     let mut themes: HashSet<String> = HashSet::new();
 
@@ -761,9 +761,9 @@ fn write_shared(cx: &Context,
 
     write(cx.dst.join(&format!("brush{}.svg", cx.shared.resource_suffix)),
           include_bytes!("static/brush.svg"))?;
-    write(cx.dst.join(&format!("main{}.css", cx.shared.resource_suffix)),
-          include_bytes!("static/themes/main.css"))?;
-    themes.insert("main".to_owned());
+    write(cx.dst.join(&format!("light{}.css", cx.shared.resource_suffix)),
+          include_bytes!("static/themes/light.css"))?;
+    themes.insert("light".to_owned());
     write(cx.dst.join(&format!("dark{}.css", cx.shared.resource_suffix)),
           include_bytes!("static/themes/dark.css"))?;
     themes.insert("dark".to_owned());

src/librustdoc/html/static/storage.js

@@ -67,4 +67,4 @@ function switchTheme(styleElem, mainStyleElem, newTheme) {
     }
 }
 
-switchTheme(currentTheme, mainTheme, getCurrentValue('rustdoc-theme') || 'main');
+switchTheme(currentTheme, mainTheme, getCurrentValue('rustdoc-theme') || 'light');

src/librustdoc/lib.rs

@@ -266,8 +266,8 @@ pub fn opts() -> Vec<RustcOptGroup> {
         unstable("resource-suffix", |o| {
             o.optopt("",
                      "resource-suffix",
-                     "suffix to add to CSS and JavaScript files, e.g. \"main.css\" will become \
-                      \"main-suffix.css\"",
+                     "suffix to add to CSS and JavaScript files, e.g. \"light.css\" will become \
+                      \"light-suffix.css\"",
                      "PATH")
         }),
     ]
@@ -321,7 +321,7 @@ pub fn main_args(args: &[String]) -> isize {
 
     let to_check = matches.opt_strs("theme-checker");
     if !to_check.is_empty() {
-        let paths = theme::load_css_paths(include_bytes!("html/static/themes/main.css"));
+        let paths = theme::load_css_paths(include_bytes!("html/static/themes/light.css"));
         let mut errors = 0;
 
         println!("rustdoc: [theme-checker] Starting tests!");
@@ -392,7 +392,7 @@ pub fn main_args(args: &[String]) -> isize {
 
     let mut themes = Vec::new();
     if matches.opt_present("themes") {
-        let paths = theme::load_css_paths(include_bytes!("html/static/themes/main.css"));
+        let paths = theme::load_css_paths(include_bytes!("html/static/themes/light.css"));
 
         for (theme_file, theme_s) in matches.opt_strs("themes")
                                             .iter()

src/tools/error_index_generator/main.rs

@@ -61,8 +61,8 @@ fn header(&self, output: &mut Write) -> Result<(), Box<Error>> {
 <head>
 <title>Rust Compiler Error Index</title>
 <meta charset="utf-8">
-<!-- Include rust.css after main.css so its rules take priority. -->
-<link rel="stylesheet" type="text/css" href="main.css"/>
+<!-- Include rust.css after light.css so its rules take priority. -->
+<link rel="stylesheet" type="text/css" href="light.css"/>
 <link rel="stylesheet" type="text/css" href="rust.css"/>
 <style>
 .error-undescribed {{

src/tools/rustdoc-themes/main.rs

@@ -13,7 +13,7 @@
 use std::path::Path;
 use std::process::{Command, exit};
 
-const FILES_TO_IGNORE: &[&str] = &["main.css"];
+const FILES_TO_IGNORE: &[&str] = &["light.css"];
 
 fn get_folders<P: AsRef<Path>>(folder_path: P) -> Vec<String> {
     let mut ret = Vec::with_capacity(10);