`:magic-fallback', or `:interpreter'. This can be an integer,
to force loading after N seconds of idle time, if the package
has not already been loaded.
-:after Defer loading of a package until after any of the named
- features are loaded.
-:demand Prevent deferred loading in all cases.
+:after Delay the use-package declaration until after the named modules
+ have loaded. Once load, it will be as though the use-package
+ declaration (without `:after') had been seen at that moment.
+:demand Prevent the automatic deferred loading introduced by constructs
+ such as `:bind' (see `:defer' for the complete list).
:if EXPR Initialize and load only if EXPR evaluates to a non-nil value.
:disabled The package is ignored completely if this keyword is present.