rustdoc: remove the ! from macro URLs and titles

Author: nrc

src/librustdoc/clean/mod.rs

@@ -2803,7 +2803,7 @@ pub struct Macro {
 
 impl Clean<Item> for doctree::Macro {
     fn clean(&self, cx: &DocContext) -> Item {
-        let name = format!("{}!", self.name.clean(cx));
+        let name = self.name.clean(cx);
         Item {
             name: Some(name.clone()),
             attrs: self.attrs.clean(cx),
@@ -2814,8 +2814,10 @@ impl Clean<Item> for doctree::Macro {
             def_id: cx.map.local_def_id(self.id),
             inner: MacroItem(Macro {
                 source: format!("macro_rules! {} {{\n{}}}",
-                    name.trim_right_matches('!'), self.matchers.iter().map(|span|
-                        format!("    {} => {{ ... }};\n", span.to_src(cx))).collect::<String>()),
+                                name,
+                                self.matchers.iter().map(|span| {
+                                    format!("    {} => {{ ... }};\n", span.to_src(cx))
+                                }).collect::<String>()),
                 imported_from: self.imported_from.clean(cx),
             }),
         }

src/test/rustdoc/issue-26606.rs

@@ -12,7 +12,7 @@
 // ignore-cross-compile
 // build-aux-docs
 
-// @has issue_26606_macro/macro.make_item!.html
+// @has issue_26606_macro/macro.make_item.html
 #[macro_use]
 extern crate issue_26606_macro;
 

src/test/rustdoc/macros.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// @has macros/macro.my_macro!.html //pre 'macro_rules! my_macro {'
+// @has macros/macro.my_macro.html //pre 'macro_rules! my_macro {'
 // @has - //pre '() => { ... };'
 // @has - //pre '($a:tt) => { ... };'
 // @has - //pre '($e:expr) => { ... };'