feat!: drop modules, general refactor and cleanup

runtime/queries/dtd/folds.scm

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+[
+   (conditionalSect)
+   (Comment)
+] @fold

runtime/queries/dtd/highlights.scm

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+;; XML declaration
+
+(XMLDecl "xml" @preproc)
+
+(XMLDecl [ "version" "encoding" ] @tag.attribute)
+
+(XMLDecl (EncName) @string.special)
+
+(XMLDecl (VersionNum) @number)
+
+;; Processing instructions
+
+(PI) @preproc
+
+;; Element declaration
+
+(elementdecl
+  "ELEMENT" @define
+  (Name) @tag)
+
+(contentspec
+  (_ (Name) @tag.attribute))
+
+"#PCDATA" @type.builtin
+
+[ "EMPTY" "ANY" ] @type.qualifier
+
+[ "*" "?" "+" ] @character.special
+
+;; Entity declaration
+
+(GEDecl
+  "ENTITY" @define
+  (Name) @constant)
+
+(GEDecl (EntityValue) @string)
+
+(NDataDecl
+  "NDATA" @keyword
+  (Name) @label)
+
+;; Parsed entity declaration
+
+(PEDecl
+  "ENTITY" @define
+  "%" @operator
+  (Name) @function.macro)
+
+(PEDecl (EntityValue) @string)
+
+;; Notation declaration
+
+(NotationDecl
+  "NOTATION" @preproc
+  (Name) @label)
+
+((NotationDecl
+  (ExternalID
+    (SystemLiteral (URI) @string.special))
+ (#set! "priority" 105)))
+
+;; Attlist declaration
+
+(AttlistDecl
+  "ATTLIST" @define
+  (Name) @tag)
+
+(AttDef (Name) @tag.attribute)
+
+(AttDef (Enumeration (Nmtoken) @string))
+
+[
+  (StringType)
+  (TokenizedType)
+] @type.builtin
+
+(NotationType "NOTATION" @type.builtin)
+
+[
+  "#REQUIRED"
+  "#IMPLIED"
+  "#FIXED"
+] @attribute
+
+;; Entities
+
+(EntityRef) @constant
+
+((EntityRef) @constant.builtin
+ (#any-of? @constant.builtin
+   "&" "<" ">" """ "'"))
+
+(CharRef) @character
+
+(PEReference) @function.macro
+
+;; External references
+
+[ "PUBLIC" "SYSTEM" ] @keyword
+
+(PubidLiteral) @string.special
+
+(SystemLiteral (URI) @text.uri)
+
+;; Delimiters & punctuation
+
+[ "<?" "?>" "<!" ">" "]]>" ] @tag.delimiter
+
+[ "(" ")" "[" ] @punctuation.bracket
+
+[ "\"" "'" ] @punctuation.delimiter
+
+[ "," "|" "=" ] @operator
+
+;; Misc
+
+[ "INCLUDE" "IGNORE" ] @include
+
+(Comment) @comment @spell
+
+(ERROR) @error

runtime/queries/dtd/injections.scm

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+(Comment) @comment