Remove unnecessary symbols and add missing symbols

Signed-off-by: cuishuang <imcusg@gmail.com>

src/tools/rust-analyzer/crates/hir-expand/src/declarative.rs

@@ -1,4 +1,4 @@
-//! Compiled declarative macro expanders (`macro_rules!`` and `macro`)
+//! Compiled declarative macro expanders (`macro_rules!` and `macro`)
 
 use base_db::CrateId;
 use intern::sym;

src/tools/rust-analyzer/crates/ide-assists/src/handlers/inline_type_alias.rs

@@ -43,6 +43,7 @@ use super::inline_call::split_refs_and_uses;
 // fn foo() {
 //     let _: i32 = 3;
 // }
+// ```
 pub(crate) fn inline_type_alias_uses(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> {
     let name = ctx.find_node_at_offset::<ast::Name>()?;
     let ast_alias = name.syntax().parent().and_then(ast::TypeAlias::cast)?;

src/tools/rust-analyzer/crates/ide-assists/src/handlers/wrap_unwrap_cfg_attr.rs

@@ -25,6 +25,7 @@ use crate::{AssistContext, AssistId, AssistKind, Assists};
 // struct S {
 //    field: i32
 // }
+// ```
 
 enum WrapUnwrapOption {
     WrapDerive { derive: TextRange, attr: ast::Attr },

src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs

@@ -60,7 +60,7 @@ mod patch_old_style;
 // However, editor specific config, which the server doesn't know about, should
 // be specified directly in `package.json`.
 //
-// To deprecate an option by replacing it with another name use `new_name | `old_name` so that we keep
+// To deprecate an option by replacing it with another name use `new_name` | `old_name` so that we keep
 // parsing the old name.
 config_data! {
     /// Configs that apply on a workspace-wide scope. There are 2 levels on which a global configuration can be configured

src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/ratoml.rs

@@ -765,7 +765,7 @@ fn ratoml_multiple_ratoml_in_single_source_root() {
 
 // [dependencies]
 // p2 = { path = "../p2" }
-// #,
+// "#,
 //                 r#"
 // //- /p1/src/lib.rs
 // enum Value {