true color, fixed boolval style in doc

Author: hoodie

src/librustdoc/html/highlight.rs

@@ -337,7 +337,7 @@ impl Class {
             Class::MacroNonTerminal => "macro-nonterminal",
             Class::String => "string",
             Class::Number => "number",
-            Class::Bool => "boolvalue",
+            Class::Bool => "bool-val",
             Class::Ident => "ident",
             Class::Lifetime => "lifetime",
             Class::PreludeTy => "prelude-ty",

src/librustdoc/html/static/rustdoc.css

@@ -550,7 +550,7 @@ td.summary-column {
 pre.rust .kw { color: #8959A8; }
 pre.rust .kw-2, pre.rust .prelude-ty { color: #4271AE; }
 pre.rust .number, pre.rust .string { color: #718C00; }
-pre.rust .self, pre.rust .boolval, pre.rust .prelude-val,
+pre.rust .self, pre.rust .bool-val, pre.rust .prelude-val,
 pre.rust .attribute, pre.rust .attribute .ident { color: #C82829; }
 pre.rust .macro, pre.rust .macro-nonterminal { color: #3E999F; }
 pre.rust .lifetime { color: #B76514; }