docs: dogfood url(docsrs)

src/error.rs

@@ -12,23 +12,21 @@ pub enum MietteError {
     /// Wrapper around [std::io::Error]. This is returned when something went
     /// wrong while reading a [crate::Source].
     #[error(transparent)]
-    #[diagnostic(code(miette::io_error))]
-    #[doc(alias = "miette::io_error")]
+    #[diagnostic(code(miette::io_error), url(docsrs))]
     IoError(#[from] io::Error),
 
     /// Returned when a [crate::SourceSpan] extends beyond the bounds of a given [crate::Source].
     #[error("The given offset is outside the bounds of its Source")]
     #[diagnostic(
         code(miette::span_out_of_bounds),
-        help("Double-check your spans. Do you have an off-by-one error?")
+        help("Double-check your spans. Do you have an off-by-one error?"),
+        url(docsrs)
     )]
-    #[doc(alias = "miette::span_out_of_bounds")]
     OutOfBounds,
 
     /// Returned when installing a [crate::DiagnosticReportPrinter] failed.
     /// Typically, this will be because [crate::set_printer] was called twice.
     #[error("Failed to install DiagnosticReportPrinter")]
-    #[diagnostic(code(miette::set_printer_failed))]
-    #[doc(alias = "miette::set_printer_failed")]
+    #[diagnostic(code(miette::set_printer_failed), url(docsrs))]
     SetPrinterFailure,
 }