Escape brackets so they don't appear like a broken link reference.

src/comments.md

@@ -2,27 +2,27 @@
 
 > **<sup>Lexer</sup>**\
 > LINE_COMMENT :\
-> &nbsp;&nbsp; &nbsp;&nbsp; `//` (~[`/` `!`] | `//`) ~`\n`<sup>\*</sup>\
+> &nbsp;&nbsp; &nbsp;&nbsp; `//` (~\[`/` `!`] | `//`) ~`\n`<sup>\*</sup>\
 > &nbsp;&nbsp; | `//`
 >
 > BLOCK_COMMENT :\
-> &nbsp;&nbsp; &nbsp;&nbsp; `/*` (~[`*` `!`] | `**` | _BlockCommentOrDoc_)
+> &nbsp;&nbsp; &nbsp;&nbsp; `/*` (~\[`*` `!`] | `**` | _BlockCommentOrDoc_)
 >      (_BlockCommentOrDoc_ | ~`*/`)<sup>\*</sup> `*/`\
 > &nbsp;&nbsp; | `/**/`\
 > &nbsp;&nbsp; | `/***/`
 >
 > INNER_LINE_DOC :\
-> &nbsp;&nbsp; `//!` ~[`\n` _IsolatedCR_]<sup>\*</sup>
+> &nbsp;&nbsp; `//!` ~\[`\n` _IsolatedCR_]<sup>\*</sup>
 >
 > INNER_BLOCK_DOC :\
-> &nbsp;&nbsp; `/*!` ( _BlockCommentOrDoc_ | ~[`*/` _IsolatedCR_] )<sup>\*</sup> `*/`
+> &nbsp;&nbsp; `/*!` ( _BlockCommentOrDoc_ | ~\[`*/` _IsolatedCR_] )<sup>\*</sup> `*/`
 >
 > OUTER_LINE_DOC :\
-> &nbsp;&nbsp; `///` (~`/` ~[`\n` _IsolatedCR_]<sup>\*</sup>)<sup>?</sup>
+> &nbsp;&nbsp; `///` (~`/` ~\[`\n` _IsolatedCR_]<sup>\*</sup>)<sup>?</sup>
 >
 > OUTER_BLOCK_DOC :\
 > &nbsp;&nbsp; `/**` (~`*` | _BlockCommentOrDoc_ )
->              (_BlockCommentOrDoc_ | ~[`*/` _IsolatedCR_])<sup>\*</sup> `*/`
+>              (_BlockCommentOrDoc_ | ~\[`*/` _IsolatedCR_])<sup>\*</sup> `*/`
 >
 > _BlockCommentOrDoc_ :\
 > &nbsp;&nbsp; &nbsp;&nbsp; BLOCK_COMMENT\

src/identifiers.md

@@ -2,8 +2,8 @@
 
 > **<sup>Lexer:<sup>**\
 > IDENTIFIER_OR_KEYWORD :\
-> &nbsp;&nbsp; &nbsp;&nbsp; [`a`-`z` `A`-`Z`]&nbsp;[`a`-`z` `A`-`Z` `0`-`9` `_`]<sup>\*</sup>\
-> &nbsp;&nbsp; | `_` [`a`-`z` `A`-`Z` `0`-`9` `_`]<sup>+</sup>
+> &nbsp;&nbsp; &nbsp;&nbsp; \[`a`-`z` `A`-`Z`]&nbsp;\[`a`-`z` `A`-`Z` `0`-`9` `_`]<sup>\*</sup>\
+> &nbsp;&nbsp; | `_` \[`a`-`z` `A`-`Z` `0`-`9` `_`]<sup>+</sup>
 >
 > RAW_IDENTIFIER : `r#` IDENTIFIER_OR_KEYWORD <sub>*Except `crate`, `self`, `super`, `Self`*</sub>
 >

src/notation.md

@@ -15,9 +15,9 @@ The following notations are used by the *Lexer* and *Syntax* grammar snippets:
 | x<sup>+</sup>     |  _MacroMatch_<sup>+</sup>     | 1 or more of x                            |
 | x<sup>a..b</sup>  | HEX_DIGIT<sup>1..6</sup>      | a to b repetitions of x                   |
 | \|                | `u8` \| `u16`, Block \| Item  | Either one or another                     |
-| [ ]               | [`b` `B`]                     | Any of the characters listed              |
-| [ - ]             | [`a`-`z`]                     | Any of the characters in the range        |
-| ~[ ]              | ~[`b` `B`]                    | Any characters, except those listed       |
+| \[ ]               | \[`b` `B`]                     | Any of the characters listed              |
+| \[ - ]             | \[`a`-`z`]                     | Any of the characters in the range        |
+| ~\[ ]              | ~\[`b` `B`]                    | Any characters, except those listed       |
 | ~`string`         | ~`\n`, ~`*/`                  | Any characters, except this sequence      |
 | ( )               | (`,` _Parameter_)<sup>?</sup> | Groups items                              |
 

src/tokens.md

@@ -115,7 +115,7 @@ and numeric literal tokens are accepted only with suffixes from the list below.
 
 > **<sup>Lexer</sup>**\
 > CHAR_LITERAL :\
-> &nbsp;&nbsp; `'` ( ~[`'` `\` \\n \\r \\t] | QUOTE_ESCAPE | ASCII_ESCAPE | UNICODE_ESCAPE ) `'`
+> &nbsp;&nbsp; `'` ( ~\[`'` `\` \\n \\r \\t] | QUOTE_ESCAPE | ASCII_ESCAPE | UNICODE_ESCAPE ) `'`
 >
 > QUOTE_ESCAPE :\
 > &nbsp;&nbsp; `\'` | `\"`
@@ -136,7 +136,7 @@ which must be _escaped_ by a preceding `U+005C` character (`\`).
 > **<sup>Lexer</sup>**\
 > STRING_LITERAL :\
 > &nbsp;&nbsp; `"` (\
-> &nbsp;&nbsp; &nbsp;&nbsp; ~[`"` `\` _IsolatedCR_]\
+> &nbsp;&nbsp; &nbsp;&nbsp; ~\[`"` `\` _IsolatedCR_]\
 > &nbsp;&nbsp; &nbsp;&nbsp; | QUOTE_ESCAPE\
 > &nbsp;&nbsp; &nbsp;&nbsp; | ASCII_ESCAPE\
 > &nbsp;&nbsp; &nbsp;&nbsp; | UNICODE_ESCAPE\
@@ -338,13 +338,13 @@ literal_. The grammar for recognizing the two kinds of literals is mixed.
 > HEX_LITERAL :\
 > &nbsp;&nbsp; `0x` (HEX_DIGIT|`_`)<sup>\*</sup> HEX_DIGIT (HEX_DIGIT|`_`)<sup>\*</sup>
 >
-> BIN_DIGIT : [`0`-`1`]
+> BIN_DIGIT : \[`0`-`1`]
 >
-> OCT_DIGIT : [`0`-`7`]
+> OCT_DIGIT : \[`0`-`7`]
 >
-> DEC_DIGIT : [`0`-`9`]
+> DEC_DIGIT : \[`0`-`9`]
 >
-> HEX_DIGIT : [`0`-`9` `a`-`f` `A`-`F`]
+> HEX_DIGIT : \[`0`-`9` `a`-`f` `A`-`F`]
 >
 > INTEGER_SUFFIX :\
 > &nbsp;&nbsp; &nbsp;&nbsp; `u8` | `u16` | `u32` | `u64` | `u128` | `usize`\

src/type-layout.md

@@ -177,7 +177,7 @@ for interfacing with the C programming language.
 This representation can be applied to structs, unions, and enums. The exception
 is [zero-variant enums] for which the `C` representation is an error.
 
-#### \#[repr(C)] Structs
+#### `#[repr(C)]` Structs
 
 The alignment of the struct is the alignment of the most-aligned field in it.
 
@@ -244,7 +244,7 @@ the sake of clarity. To perform memory layout computations in actual code, use
 > they are fields that have the `[[no_unique_address]]` attribute, in which
 > case they do not increase the overall size of the struct.
 
-#### \#[repr(C)] Unions
+#### `#[repr(C)]` Unions
 
 A union declared with `#[repr(C)]` will have the same size and alignment as an
 equivalent C union declaration in the C language for the target platform.
@@ -274,7 +274,7 @@ assert_eq!(std::mem::size_of::<SizeRoundedUp>(), 8);  // Size of 6 from b,
 assert_eq!(std::mem::align_of::<SizeRoundedUp>(), 4); // From a
 ```
 
-#### \#[repr(C)] Field-less Enums
+#### `#[repr(C)]` Field-less Enums
 
 For [field-less enums], the `C` representation has the size and alignment of
 the default `enum` size and alignment for the target platform's C ABI.
@@ -295,7 +295,7 @@ using a field-less enum in FFI to model a C `enum` is often wrong.
 
 </div>
 
-#### \#[repr(C)] Enums With Fields
+#### `#[repr(C)]` Enums With Fields
 
 The representation of a `repr(C)` enum with fields is a `repr(C)` struct with
 two fields, also called a "tagged union" in C:
@@ -433,7 +433,7 @@ struct MyVariantD(MyEnumDiscriminant);
 
 > Note: `union`s with non-`Copy` fields are unstable, see [55149].
 
-#### Combining primitive representations of enums with fields and \#[repr(C)]
+#### Combining primitive representations of enums with fields and `#[repr(C)]`
 
 For enums with fields, it is also possible to combine `repr(C)` and a
 primitive representation (e.g., `repr(C, u8)`). This modifies the [`repr(C)`] by