docs: changes the demo version to 2.28 to stay in sync

Author: kbknapp

README.md

@@ -296,7 +296,7 @@ subcommands:
 
 Since this feature requires additional dependencies that not everyone may want, it is *not* compiled in by default and we need to enable a feature flag in Cargo.toml:
 
-Simply change your `clap = "2.27"` to `clap = {version = "2.27", features = ["yaml"]}`.
+Simply change your `clap = "2.28"` to `clap = {version = "2.87", features = ["yaml"]}`.
 
 Finally we create our `main.rs` file just like we would have with the previous two examples:
 
@@ -416,7 +416,7 @@ For full usage, add `clap` as a dependency in your `Cargo.toml` () to use from c
 
 ```toml
 [dependencies]
-clap = "~2.27"
+clap = "~2.28"
 ```
 
 (**note**: If you are concerned with supporting a minimum version of Rust that is *older* than the current stable Rust minus 2 stable releases, it's recommended to use the `~major.minor.patch` style versions in your `Cargo.toml` which will only update the patch version automatically. For more information see the [Compatibility Policy](#compatibility-policy))
@@ -440,15 +440,15 @@ To disable these, add this to your `Cargo.toml`:
 
 ```toml
 [dependencies.clap]
-version = "2.27"
+version = "2.28"
 default-features = false
 ```
 
 You can also selectively enable only the features you'd like to include, by adding:
 
 ```toml
 [dependencies.clap]
-version = "2.27"
+version = "2.28"
 default-features = false
 
 # Cherry-pick the features you'd like to use
@@ -496,7 +496,7 @@ In order to keep from being surprised of breaking changes, it is **highly** reco
 
 ```toml
 [dependencies]
-clap = "~2.27"
+clap = "~2.28"
 ```
 
 This will cause *only* the patch version to be updated upon a `cargo update` call, and therefore cannot break due to new features, or bumped minimum versions of Rust.
@@ -513,11 +513,11 @@ Right now Cargo's version resolution is pretty naive, it's just a brute-force se
 
 # In one Cargo.toml
 [dependencies]
-clap = "~2.27.0"
+clap = "~2.28.0"
 
 # In another Cargo.toml
 [dependencies]
-clap = "2.27"
+clap = "2.28"
 ```
 
 This is inherently an unresolvable crate graph in Cargo right now. Cargo requires there's only one major version of a crate, and being in the same workspace these two crates must share a version. This is impossible in this location, though, as these version constraints cannot be met.

src/lib.rs

@@ -513,7 +513,7 @@
 //! this repository for more information.
 
 #![crate_type= "lib"]
-#![doc(html_root_url = "https://docs.rs/clap/2.27.2")]
+#![doc(html_root_url = "https://docs.rs/clap/2.28.0")]
 #![deny(
         missing_docs,
         missing_debug_implementations,
@@ -603,7 +603,7 @@ mod derive {
 
 
         /// @TODO @release @docs
-        fn try_parse_from<I, T>(argv: I) -> Result<Self, clap::Error> 
+        fn try_parse_from<I, T>(argv: I) -> Result<Self, clap::Error>
             where I: IntoIterator<Item = T>,
             T: Into<OsString> + Clone
         {
@@ -628,4 +628,4 @@ mod derive {
 
     /// @TODO @release @docs
     pub trait ArgEnum { }
-}
+}