Set rustfmt-format_macro_matchers to false by default

cc #2543

src/config/mod.rs

@@ -53,7 +53,7 @@ create_config! {
     license_template_path: String, String::default(), false,
         "Beginning of file must match license template";
     format_strings: bool, false, false, "Format string literals where necessary";
-    format_macro_matchers: bool, true, false,
+    format_macro_matchers: bool, false, false,
         "Format the metavariable matching patterns in macros";
     format_macro_bodies: bool, true, false, "Format the bodies of macros";
 

tests/source/macro_rules.rs

@@ -1,3 +1,4 @@
+// rustfmt-format_macro_matchers: true
 
 macro_rules! m {
     () => ();

tests/source/macros.rs

@@ -1,4 +1,5 @@
 // rustfmt-normalize_comments: true
+// rustfmt-format_macro_matchers: true
 itemmacro!(this, is.now() .formatted(yay));
 
 itemmacro!(really, long.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbb() .is.formatted());

tests/target/macro_rules.rs

@@ -1,3 +1,5 @@
+// rustfmt-format_macro_matchers: true
+
 macro_rules! m {
     () => {};
     ($x:ident) => {};

tests/target/macros.rs

@@ -1,4 +1,5 @@
 // rustfmt-normalize_comments: true
+// rustfmt-format_macro_matchers: true
 itemmacro!(this, is.now().formatted(yay));
 
 itemmacro!(