Unwrap cfg_attr

Author: ehuss

src/conditional-compilation.md

@@ -393,13 +393,10 @@ CfgAttrs -> Attr (`,` Attr)* `,`?
 ```
 
 r[cfg.cfg_attr.general]
-The `cfg_attr` [attribute] conditionally includes [attributes] based on a
-configuration predicate.
+The `cfg_attr` [attribute] conditionally includes [attributes] based on a configuration predicate.
 
 r[cfg.cfg_attr.behaviour]
-When the configuration predicate is true, this attribute expands out to the
-attributes listed after the predicate. For example, the following module will
-either be found at `linux.rs` or `windows.rs` based on the target.
+When the configuration predicate is true, this attribute expands out to the attributes listed after the predicate. For example, the following module will either be found at `linux.rs` or `windows.rs` based on the target.
 
 <!-- ignore: `mod` needs multiple files -->
 ```rust,ignore
@@ -409,8 +406,7 @@ mod os;
 ```
 
 r[cfg.cfg_attr.attribute-list]
-Zero, one, or more attributes may be listed. Multiple attributes will each be
-expanded into separate attributes. For example:
+Zero, one, or more attributes may be listed. Multiple attributes will each be expanded into separate attributes. For example:
 
 <!-- ignore: fake attributes -->
 ```rust,ignore