Use smaller spans for some structured suggestions

Use more accurate suggestion spans for

* argument parse error
* fully qualified path
* missing code block type
* numeric casts
* E0212

1 files changed, 2 insertions, 2 deletions

diff --git a/src/librustdoc/passes/check_code_block_syntax.rs b/src/librustdoc/passes/check_code_block_syntax.rs
index d961340f1f8..c9f66d096f0 100644
--- a/src/librustdoc/passes/check_code_block_syntax.rs
+++ b/src/librustdoc/passes/check_code_block_syntax.rs
@@ -101,9 +101,9 @@ impl<'a, 'tcx> SyntaxChecker<'a, 'tcx> {
                     );
                 } else if empty_block {
                     diag.span_suggestion(
-                        sp.from_inner(InnerSpan::new(0, 3)),
+                        sp.from_inner(InnerSpan::new(0, 3)).shrink_to_hi(),
                         explanation,
-                        String::from("```text"),
+                        String::from("text"),
                         Applicability::MachineApplicable,
                     );
                 }