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+;; Operators
+
+[
+ "&&"
+ "||"
+ "|"
+ "&"
+ "="
+ "!="
+ ".."
+ "!"
+ (direction)
+ (stream_redirect)
+ (test_option)
+] @operator
+
+[
+ "not"
+ "and"
+ "or"
+] @keyword.operator
+
+;; Conditionals
+
+(if_statement
+[
+ "if"
+ "end"
+] @keyword.control.conditional)
+
+(switch_statement
+[
+ "switch"
+ "end"
+] @keyword.control.conditional)
+
+(case_clause
+[
+ "case"
+] @keyword.control.conditional)
+
+(else_clause
+[
+ "else"
+] @keyword.control.conditional)
+
+(else_if_clause
+[
+ "else"
+ "if"
+] @keyword.control.conditional)
+
+;; Loops/Blocks
+
+(while_statement
+[
+ "while"
+ "end"
+] @keyword.control.repeat)
+
+(for_statement
+[
+ "for"
+ "end"
+] @keyword.control.repeat)
+
+(begin_statement
+[
+ "begin"
+ "end"
+] @keyword.control.repeat)
+
+;; Keywords
+
+[
+ "in"
+ (break)
+ (continue)
+] @keyword
+
+"return" @keyword.control.return
+
+;; Punctuation
+
+[
+ "["
+ "]"
+ "{"
+ "}"
+ "("
+ ")"
+] @punctuation.bracket
+
+"," @punctuation.delimiter
+
+;; Commands
+
+(command
+ argument: [
+ (word) @variable.parameter (#match? @variable.parameter "^-")
+ ]
+)
+
+; non-bultin command names
+(command name: (word) @function)
+
+; derived from builtin -n (fish 3.2.2)
+(command
+ name: [
+ (word) @function.builtin
+ (#match? @function.builtin "^(\.|:|_|alias|argparse|bg|bind|block|breakpoint|builtin|cd|command|commandline|complete|contains|count|disown|echo|emit|eval|exec|exit|fg|functions|history|isatty|jobs|math|printf|pwd|random|read|realpath|set|set_color|source|status|string|test|time|type|ulimit|wait)$")
+ ]
+)
+
+(test_command "test" @function.builtin)
+
+;; Functions
+
+(function_definition ["function" "end"] @keyword.function)
+
+(function_definition
+ name: [
+ (word) (concatenation)
+ ]
+@function)
+
+(function_definition
+ option: [
+ (word)
+ (concatenation (word))
+ ] @variable.parameter (#match? @variable.parameter "^-")
+)
+
+;; Strings
+
+[(double_quote_string) (single_quote_string)] @string
+(escape_sequence) @constant.character.escape
+
+;; Variables
+
+(variable_name) @variable
+(variable_expansion) @constant
+
+;; Nodes
+
+(integer) @constant.numeric.integer
+(float) @constant.numeric.float
+(comment) @comment
+(test_option) @string
+
+((word) @constant.builtin.boolean
+(#match? @constant.builtin.boolean "^(true|false)$"))
+
+;; Error
+
+(ERROR) @error