FEAT: Add missing docstrings and optimize with ajoin

src/mezz/mezz-ansi.reb

@@ -1,17 +1,16 @@
 Rebol [
 	Title:   "ANSI escape sequences support"
 	File:    %mezz-ansi.reb
-	Version: 1.0.0
-	Date:    4-Mar-2021
+	Version: 1.1.0
+	Date:    9-Mar-2025
 	Purpose: "Decorate any value with bright ANSI color sequences"
 ]
 
-;- using 2x append to avoid making a reduced block for the output
-as-gray:   func[value][append append copy "^[[1;30m" value "^[[0m"]
-as-red:    func[value][append append copy "^[[1;31m" value "^[[0m"]
-as-green:  func[value][append append copy "^[[1;32m" value "^[[0m"]
-as-yellow: func[value][append append copy "^[[1;33m" value "^[[0m"]
-as-blue:   func[value][append append copy "^[[1;34m" value "^[[0m"]
-as-purple: func[value][append append copy "^[[1;35m" value "^[[0m"]
-as-cyan:   func[value][append append copy "^[[1;36m" value "^[[0m"]
-as-white:  func[value][append append copy "^[[1;37m" value "^[[0m"]
+as-gray:   func["Decorates a value with gray ANSI escape codes"   value return: [string!]][ajoin ["^[[1;30m" value "^[[0m"]]
+as-red:    func["Decorates a value with red ANSI escape codes"    value return: [string!]][ajoin ["^[[1;31m" value "^[[0m"]]
+as-green:  func["Decorates a value with green ANSI escape codes"  value return: [string!]][ajoin ["^[[1;32m" value "^[[0m"]]
+as-yellow: func["Decorates a value with yellow ANSI escape codes" value return: [string!]][ajoin ["^[[1;33m" value "^[[0m"]]
+as-blue:   func["Decorates a value with blue ANSI escape codes"   value return: [string!]][ajoin ["^[[1;34m" value "^[[0m"]]
+as-purple: func["Decorates a value with purple ANSI escape codes" value return: [string!]][ajoin ["^[[1;35m" value "^[[0m"]]
+as-cyan:   func["Decorates a value with cyan ANSI escape codes"   value return: [string!]][ajoin ["^[[1;36m" value "^[[0m"]]
+as-white:  func["Decorates a value with white ANSI escape codes"  value return: [string!]][ajoin ["^[[1;37m" value "^[[0m"]]