Highlight all EBNF snippets. Add missing semicolons.

Author: pikinier20

docs/_docs/reference/changed-features/imports.md

@@ -46,14 +46,14 @@ are offered under settings `-source 3.1-migration -rewrite`.
 
 ### Syntax
 
-```
-Import ::= ‘import’ ImportExpr {‘,’ ImportExpr}
-ImportExpr ::= SimpleRef {‘.’ id} ‘.’ ImportSpec
+```ebnf
+Import ::= ‘import’ ImportExpr {‘,’ ImportExpr} ;
+ImportExpr ::= SimpleRef {‘.’ id} ‘.’ ImportSpec ;
 ImportSpec ::= NamedSelector
  | WildcardSelector
- | ‘{’ ImportSelectors) ‘}’
-NamedSelector ::= id [‘as’ (id | ‘_’)]
-WildCardSelector ::= ‘*' | ‘given’ [InfixType]
+ | ‘{’ ImportSelectors) ‘}’ ;
+NamedSelector ::= id [‘as’ (id | ‘_’)] ;
+WildCardSelector ::= ‘*' | ‘given’ [InfixType] ;
 ImportSelectors ::= NamedSelector [‘,’ ImportSelectors]
- | WildCardSelector {‘,’ WildCardSelector}
+ | WildCardSelector {‘,’ WildCardSelector} ;
 ```

docs/_docs/reference/changed-features/match-syntax.md

@@ -47,10 +47,10 @@ The syntactical precedence of match expressions has been changed.
 
 The new syntax of match expressions is as follows.
 
-```
+```ebnf
 InfixExpr ::= ...
- | InfixExpr MatchClause
+ | InfixExpr MatchClause ;
 SimpleExpr ::= ...
- | SimpleExpr ‘.’ MatchClause
-MatchClause ::= ‘match’ ‘{’ CaseClauses ‘}’
+ | SimpleExpr ‘.’ MatchClause ;
+MatchClause ::= ‘match’ ‘{’ CaseClauses ‘}’ ;
 ```

docs/_docs/reference/changed-features/pattern-bindings.md

@@ -50,8 +50,8 @@ for case (x, y) <- elems yield (y, x) // returns List((2, 1), (4, 3))
 ## Syntax Changes
 
 Generators in for expressions may be prefixed with `case`.
-```
-Generator ::= [‘case’] Pattern1 ‘<-’ Expr
+```ebnf
+Generator ::= [‘case’] Pattern1 ‘<-’ Expr ;
 ```
 
 ## Migration

docs/_docs/reference/changed-features/structural-types-spec.md

@@ -6,11 +6,11 @@ movedTo: https://docs.scala-lang.org/scala3/reference/changed-features/structura
 
 ## Syntax
 
-```
-SimpleType ::= ... | Refinement
-Refinement ::= ‘{’ RefineStatSeq ‘}’
-RefineStatSeq ::= RefineStat {semi RefineStat}
-RefineStat ::= ‘val’ VarDcl | ‘def’ DefDcl | ‘type’ {nl} TypeDcl
+```ebnf
+SimpleType ::= ... | Refinement ;
+Refinement ::= ‘{’ RefineStatSeq ‘}’ ;
+RefineStatSeq ::= RefineStat {semi RefineStat} ;
+RefineStat ::= ‘val’ VarDcl | ‘def’ DefDcl | ‘type’ {nl} TypeDcl ;
 ```
 
 ## Implementation of Structural Types

docs/_docs/reference/changed-features/vararg-splices.md

@@ -24,12 +24,12 @@ The old syntax for splice arguments will be phased out.
 
 ## Syntax
 
-```
+```ebnf
 ArgumentPatterns ::= ‘(’ [Patterns] ‘)’
- | ‘(’ [Patterns ‘,’] Pattern2 ‘*’ ‘)’
+ | ‘(’ [Patterns ‘,’] Pattern2 ‘*’ ‘)’ ;
 
 ParArgumentExprs ::= ‘(’ [‘using’] ExprsInParens ‘)’
- | ‘(’ [ExprsInParens ‘,’] PostfixExpr ‘*’ ‘)’
+ | ‘(’ [ExprsInParens ‘,’] PostfixExpr ‘*’ ‘)’ ;
 ```
 
 ## Compatibility considerations

docs/_docs/reference/contextual/context-bounds.md

@@ -40,7 +40,7 @@ done automatically under `-rewrite`.
 
 ## Syntax
 
-```
-TypeParamBounds ::= [SubtypeBounds] {ContextBound}
-ContextBound ::= ‘:’ Type
+```ebnf
+TypeParamBounds ::= [SubtypeBounds] {ContextBound} ;
+ContextBound ::= ‘:’ Type ;
 ```

docs/_docs/reference/contextual/context-functions-spec.md

@@ -6,11 +6,11 @@ movedTo: https://docs.scala-lang.org/scala3/reference/contextual/context-functio
 
 ## Syntax
 
-```
+```ebnf
 Type ::= ...
- | FunArgTypes ‘?=>’ Type
+ | FunArgTypes ‘?=>’ Type ;
 Expr ::= ...
- | FunParams ‘?=>’ Expr
+ | FunParams ‘?=>’ Expr ;
 ```
 
 Context function types associate to the right, e.g.

docs/_docs/reference/contextual/derivation.md

@@ -354,12 +354,12 @@ hand side of this definition in the same way as an instance defined in ADT compa
 
 ### Syntax
 
-```
-Template ::= InheritClauses [TemplateBody]
-EnumDef ::= id ClassConstr InheritClauses EnumBody
-InheritClauses ::= [‘extends’ ConstrApps] [‘derives’ QualId {‘,’ QualId}]
+```ebnf
+Template ::= InheritClauses [TemplateBody] ;
+EnumDef ::= id ClassConstr InheritClauses EnumBody ;
+InheritClauses ::= [‘extends’ ConstrApps] [‘derives’ QualId {‘,’ QualId}] ;
 ConstrApps ::= ConstrApp {‘with’ ConstrApp}
- | ConstrApp {‘,’ ConstrApp}
+ | ConstrApp {‘,’ ConstrApp} ;
 ```
 
 **Note:** To align `extends` clauses and `derives` clauses, Scala 3 also allows multiple

docs/_docs/reference/contextual/extension-methods.md

@@ -285,20 +285,20 @@ def position(s: String)(ch: Char, n: Int): Int =
 Here are the syntax changes for extension methods and collective extensions relative
 to the [current syntax](../syntax.md).
 
-```
-BlockStat ::= ... | Extension
-TemplateStat ::= ... | Extension
-TopStat ::= ... | Extension
+```ebnf
+BlockStat ::= ... | Extension ;
+TemplateStat ::= ... | Extension ;
+TopStat ::= ... | Extension ;
 Extension ::= ‘extension’ [DefTypeParamClause] {UsingParamClause}
- ‘(’ DefParam ‘)’ {UsingParamClause} ExtMethods
-ExtMethods ::= ExtMethod | [nl] <<< ExtMethod {semi ExtMethod} >>>
-ExtMethod ::= {Annotation [nl]} {Modifier} ‘def’ DefDef
+ ‘(’ DefParam ‘)’ {UsingParamClause} ExtMethods ;
+ExtMethods ::= ExtMethod | [nl] <<< ExtMethod {semi ExtMethod} >>> ;
+ExtMethod ::= {Annotation [nl]} {Modifier} ‘def’ DefDef ;
 ```
 
 In the above the notation `<<< ts >>>` in the production rule `ExtMethods` is defined as follows :
 
-```
-<<< ts >>> ::= ‘{’ ts ‘}’ | indent ts outdent
+```ebnf
+<<< ts >>> ::= ‘{’ ts ‘}’ | indent ts outdent ;
 ```
 
 `extension` is a soft keyword. It is recognized as a keyword only if it appears

docs/_docs/reference/contextual/given-imports.md

@@ -103,15 +103,15 @@ given instances once their user base has migrated.
 
 ### Syntax
 
-```
-Import ::= ‘import’ ImportExpr {‘,’ ImportExpr}
-Export ::= ‘export’ ImportExpr {‘,’ ImportExpr}
-ImportExpr ::= SimpleRef {‘.’ id} ‘.’ ImportSpec
+```ebnf
+Import ::= ‘import’ ImportExpr {‘,’ ImportExpr} ;
+Export ::= ‘export’ ImportExpr {‘,’ ImportExpr} ;
+ImportExpr ::= SimpleRef {‘.’ id} ‘.’ ImportSpec ;
 ImportSpec ::= NamedSelector
  | WildcardSelector
- | ‘{’ ImportSelectors) ‘}’
-NamedSelector ::= id [‘as’ (id | ‘_’)]
-WildCardSelector ::= ‘*' | ‘given’ [InfixType]
+ | ‘{’ ImportSelectors) ‘}’ ;
+NamedSelector ::= id [‘as’ (id | ‘_’)] ;
+WildCardSelector ::= ‘*' | ‘given’ [InfixType] ;
 ImportSelectors ::= NamedSelector [‘,’ ImportSelectors]
- | WildCardSelector {‘,’ WildCardSelector}
+ | WildCardSelector {‘,’ WildCardSelector} ;
 ```