fix(help): Collapse usage to one line

examples/cargo-example-derive.md

@@ -6,8 +6,7 @@ mimicking cargo's interface.
 The help looks like:
 ```console
 $ cargo-example-derive --help
-Usage:
-    cargo <COMMAND>
+Usage: cargo <COMMAND>
 
 Commands:
     example-derive    A simple to use, efficient, and full-featured Command Line Argument Parser
@@ -19,8 +18,7 @@ Options:
 $ cargo-example-derive example-derive --help
 A simple to use, efficient, and full-featured Command Line Argument Parser
 
-Usage:
-    cargo example-derive [OPTIONS]
+Usage: cargo example-derive [OPTIONS]
 
 Options:
         --manifest-path <MANIFEST_PATH>    

examples/cargo-example.md

@@ -6,8 +6,7 @@ mimicking cargo's interface.
 The help looks like:
 ```console
 $ cargo-example --help
-Usage:
-    cargo <COMMAND>
+Usage: cargo <COMMAND>
 
 Commands:
     example    A simple to use, efficient, and full-featured Command Line Argument Parser
@@ -19,8 +18,7 @@ Options:
 $ cargo-example example --help
 A simple to use, efficient, and full-featured Command Line Argument Parser
 
-Usage:
-    cargo example [OPTIONS]
+Usage: cargo example [OPTIONS]
 
 Options:
         --manifest-path <PATH>    

examples/demo.md

@@ -2,8 +2,7 @@
 $ demo --help
 A simple to use, efficient, and full-featured Command Line Argument Parser
 
-Usage:
-    demo[EXE] [OPTIONS] --name <NAME>
+Usage: demo[EXE] [OPTIONS] --name <NAME>
 
 Options:
     -n, --name <NAME>      Name of the person to greet

examples/derive_ref/custom-bool.md

@@ -6,8 +6,7 @@ Example of overriding the magic `bool` behavior
 $ custom-bool --help
 A simple to use, efficient, and full-featured Command Line Argument Parser
 
-Usage:
-    custom-bool[EXE] [OPTIONS] --foo <FOO> <BOOM>
+Usage: custom-bool[EXE] [OPTIONS] --foo <FOO> <BOOM>
 
 Arguments:
     <BOOM>    [possible values: true, false]
@@ -24,8 +23,7 @@ error: The following required arguments were not provided:
     --foo <FOO>
     <BOOM>
 
-Usage:
-    custom-bool[EXE] --foo <FOO> <BOOM>
+Usage: custom-bool[EXE] --foo <FOO> <BOOM>
 
 For more information try --help
 

examples/derive_ref/interop_tests.md

@@ -39,8 +39,7 @@ error: Found argument '--unknown' which wasn't expected, or isn't valid in this
 
     If you tried to supply `--unknown` as a value rather than a flag, use `-- --unknown`
 
-Usage:
-    interop_augment_args[EXE] [OPTIONS]
+Usage: interop_augment_args[EXE] [OPTIONS]
 
 For more information try --help
 
@@ -77,8 +76,7 @@ error: Found argument '--unknown' which wasn't expected, or isn't valid in this
 
     If you tried to supply `--unknown` as a value rather than a flag, use `-- --unknown`
 
-Usage:
-    interop_augment_subcommands[EXE] derived [OPTIONS]
+Usage: interop_augment_subcommands[EXE] derived [OPTIONS]
 
 For more information try --help
 
@@ -89,8 +87,7 @@ $ interop_augment_subcommands unknown
 ? failed
 error: Found argument 'unknown' which wasn't expected, or isn't valid in this context
 
-Usage:
-    interop_augment_subcommands[EXE] [COMMAND]
+Usage: interop_augment_subcommands[EXE] [COMMAND]
 
 For more information try --help
 
@@ -101,8 +98,7 @@ For more information try --help
 ```console
 $ interop_hand_subcommand
 ? failed
-Usage:
-    interop_hand_subcommand[EXE] [OPTIONS] <COMMAND>
+Usage: interop_hand_subcommand[EXE] [OPTIONS] <COMMAND>
 
 Commands:
     add       
@@ -152,8 +148,7 @@ error: Found argument '--unknown' which wasn't expected, or isn't valid in this
 
     If you tried to supply `--unknown` as a value rather than a flag, use `-- --unknown`
 
-Usage:
-    interop_hand_subcommand[EXE] add [NAME]...
+Usage: interop_hand_subcommand[EXE] add [NAME]...
 
 For more information try --help
 
@@ -196,8 +191,7 @@ $ interop_hand_subcommand unknown
 ? failed
 error: Found argument 'unknown' which wasn't expected, or isn't valid in this context
 
-Usage:
-    interop_hand_subcommand[EXE] [OPTIONS] <COMMAND>
+Usage: interop_hand_subcommand[EXE] [OPTIONS] <COMMAND>
 
 For more information try --help
 
@@ -253,8 +247,7 @@ error: Found argument '--unknown' which wasn't expected, or isn't valid in this
 
     If you tried to supply `--unknown` as a value rather than a flag, use `-- --unknown`
 
-Usage:
-    interop_flatten_hand_args[EXE] [OPTIONS]
+Usage: interop_flatten_hand_args[EXE] [OPTIONS]
 
 For more information try --help
 

examples/escaped-positional-derive.md

@@ -7,8 +7,7 @@ Let's see what this looks like in the help:
 $ escaped-positional-derive --help
 A simple to use, efficient, and full-featured Command Line Argument Parser
 
-Usage:
-    escaped-positional-derive[EXE] [OPTIONS] [-- <SLOP>...]
+Usage: escaped-positional-derive[EXE] [OPTIONS] [-- <SLOP>...]
 
 Arguments:
     [SLOP]...    
@@ -36,8 +35,7 @@ $ escaped-positional-derive foo bar
 ? failed
 error: Found argument 'foo' which wasn't expected, or isn't valid in this context
 
-Usage:
-    escaped-positional-derive[EXE] [OPTIONS] [-- <SLOP>...]
+Usage: escaped-positional-derive[EXE] [OPTIONS] [-- <SLOP>...]
 
 For more information try --help
 

examples/escaped-positional.md

@@ -7,8 +7,7 @@ Let's see what this looks like in the help:
 $ escaped-positional --help
 A simple to use, efficient, and full-featured Command Line Argument Parser
 
-Usage:
-    escaped-positional[EXE] [OPTIONS] [-- <SLOP>...]
+Usage: escaped-positional[EXE] [OPTIONS] [-- <SLOP>...]
 
 Arguments:
     [SLOP]...    
@@ -36,8 +35,7 @@ $ escaped-positional foo bar
 ? failed
 error: Found argument 'foo' which wasn't expected, or isn't valid in this context
 
-Usage:
-    escaped-positional[EXE] [OPTIONS] [-- <SLOP>...]
+Usage: escaped-positional[EXE] [OPTIONS] [-- <SLOP>...]
 
 For more information try --help
 

examples/find.md

@@ -4,8 +4,7 @@
 $ find --help
 A simple to use, efficient, and full-featured Command Line Argument Parser
 
-Usage:
-    find[EXE] [OPTIONS] --name <NAME>
+Usage: find[EXE] [OPTIONS] --name <NAME>
 
 Options:
     -h, --help       Print help information

examples/git-derive.md

@@ -8,8 +8,7 @@ $ git-derive
 ? failed
 A fictional versioning CLI
 
-Usage:
-    git-derive[EXE] <COMMAND>
+Usage: git-derive[EXE] <COMMAND>
 
 Commands:
     clone    Clones repos
@@ -24,8 +23,7 @@ Options:
 $ git-derive help
 A fictional versioning CLI
 
-Usage:
-    git-derive[EXE] <COMMAND>
+Usage: git-derive[EXE] <COMMAND>
 
 Commands:
     clone    Clones repos
@@ -40,8 +38,7 @@ Options:
 $ git-derive help add
 adds things
 
-Usage:
-    git-derive[EXE] add <PATH>...
+Usage: git-derive[EXE] add <PATH>...
 
 Arguments:
     <PATH>...    Stuff to add
@@ -57,8 +54,7 @@ $ git-derive add
 ? failed
 adds things
 
-Usage:
-    git-derive[EXE] add <PATH>...
+Usage: git-derive[EXE] add <PATH>...
 
 Arguments:
     <PATH>...    Stuff to add
@@ -74,9 +70,8 @@ Adding ["Cargo.toml", "Cargo.lock"]
 Default subcommand:
 ```console
 $ git-derive stash -h
-Usage:
-    git-derive[EXE] stash [OPTIONS]
-    git-derive[EXE] stash <COMMAND>
+Usage: git-derive[EXE] stash [OPTIONS]
+       git-derive[EXE] stash <COMMAND>
 
 Commands:
     push     
@@ -89,16 +84,14 @@ Options:
     -h, --help                 Print help information
 
 $ git-derive stash push -h
-Usage:
-    git-derive[EXE] stash push [OPTIONS]
+Usage: git-derive[EXE] stash push [OPTIONS]
 
 Options:
     -m, --message <MESSAGE>    
     -h, --help                 Print help information
 
 $ git-derive stash pop -h
-Usage:
-    git-derive[EXE] stash pop [STASH]
+Usage: git-derive[EXE] stash pop [STASH]
 
 Arguments:
     [STASH]    

examples/git.md

@@ -6,8 +6,7 @@ $ git
 ? failed
 A fictional versioning CLI
 
-Usage:
-    git[EXE] <COMMAND>
+Usage: git[EXE] <COMMAND>
 
 Commands:
     clone    Clones repos
@@ -22,8 +21,7 @@ Options:
 $ git help
 A fictional versioning CLI
 
-Usage:
-    git[EXE] <COMMAND>
+Usage: git[EXE] <COMMAND>
 
 Commands:
     clone    Clones repos
@@ -38,8 +36,7 @@ Options:
 $ git help add
 adds things
 
-Usage:
-    git[EXE] add <PATH>...
+Usage: git[EXE] add <PATH>...
 
 Arguments:
     <PATH>...    Stuff to add
@@ -55,8 +52,7 @@ $ git add
 ? failed
 adds things
 
-Usage:
-    git[EXE] add <PATH>...
+Usage: git[EXE] add <PATH>...
 
 Arguments:
     <PATH>...    Stuff to add
@@ -72,9 +68,8 @@ Adding ["Cargo.toml", "Cargo.lock"]
 Default subcommand:
 ```console
 $ git stash -h
-Usage:
-    git[EXE] stash [OPTIONS]
-    git[EXE] stash <COMMAND>
+Usage: git[EXE] stash [OPTIONS]
+       git[EXE] stash <COMMAND>
 
 Commands:
     push     
@@ -87,16 +82,14 @@ Options:
     -h, --help                 Print help information
 
 $ git stash push -h
-Usage:
-    git[EXE] stash push [OPTIONS]
+Usage: git[EXE] stash push [OPTIONS]
 
 Options:
     -m, --message <MESSAGE>    
     -h, --help                 Print help information
 
 $ git stash pop -h
-Usage:
-    git[EXE] stash pop [STASH]
+Usage: git[EXE] stash pop [STASH]
 
 Arguments:
     [STASH]    

examples/multicall-busybox.md

@@ -25,8 +25,7 @@ Though users must pass something:
 ```console
 $ busybox
 ? failed
-Usage:
-    busybox [OPTIONS] [APPLET]
+Usage: busybox [OPTIONS] [APPLET]
 
 APPLETS:
     true     does nothing successfully

examples/pacman.md

@@ -37,8 +37,7 @@ In the help, this looks like:
 $ pacman -h
 package manager utility
 
-Usage:
-    pacman[EXE] <COMMAND>
+Usage: pacman[EXE] <COMMAND>
 
 Commands:
     query -Q --query    Query the package database.
@@ -52,8 +51,7 @@ Options:
 $ pacman -S -h
 Synchronize packages.
 
-Usage:
-    pacman[EXE] {sync|--sync|-S} [OPTIONS] [package]...
+Usage: pacman[EXE] {sync|--sync|-S} [OPTIONS] [package]...
 
 Arguments:
     [package]...    packages
@@ -71,8 +69,7 @@ $ pacman -S -s foo -i bar
 ? failed
 error: The argument '--search <search>...' cannot be used with '--info'
 
-Usage:
-    pacman[EXE] {sync|--sync|-S} --search <search>... <package>...
+Usage: pacman[EXE] {sync|--sync|-S} --search <search>... <package>...
 
 For more information try --help
 

examples/tutorial_builder/01_quick.md

@@ -2,8 +2,7 @@
 $ 01_quick --help
 A simple to use, efficient, and full-featured Command Line Argument Parser
 
-Usage:
-    01_quick[EXE] [OPTIONS] [name] [COMMAND]
+Usage: 01_quick[EXE] [OPTIONS] [name] [COMMAND]
 
 Commands:
     test    does testing things

examples/tutorial_builder/02_app_settings.md

@@ -2,8 +2,7 @@
 $ 02_app_settings --help
 A simple to use, efficient, and full-featured Command Line Argument Parser
 
-Usage:
-    02_app_settings[EXE] --two <VALUE> --one <VALUE>
+Usage: 02_app_settings[EXE] --two <VALUE> --one <VALUE>
 
 Options:
         --two <VALUE>