What they write \f in the spec actually means \n.

Author: Mbodin

syntax/attribute_value.ml

@@ -74,11 +74,11 @@ let list
   |> Common.list loc
   |> fun e -> Some e
 
-let spaces = list (Re_str.regexp "[ \t\r\f]+") "space"
-let commas = list (Re_str.regexp "[ \t\r\f]*,[ \t\r\f]*") "comma"
-let semicolons = list (Re_str.regexp "[ \t\r\f]*;[ \t\r\f]*") "semicolon"
+let spaces = list (Re_str.regexp "[ \t\r\n]+") "space"
+let commas = list (Re_str.regexp "[ \t\r\n]*,[ \t\r\n]*") "comma"
+let semicolons = list (Re_str.regexp "[ \t\r\n]*;[ \t\r\n]*") "semicolon"
 
-let spaces_or_commas_regexp = Re_str.regexp "\\([ \t\r\f]*,[ \t\r\f]*\\)\\|[ \t\r\f]+"
+let spaces_or_commas_regexp = Re_str.regexp "\\([ \t\r\n]*,[ \t\r\n]*\\)\\|[ \t\r\n]+"
 let spaces_or_commas_ = exp_list spaces_or_commas_regexp "space- or comma"
 let spaces_or_commas = list spaces_or_commas_regexp "space- or comma"
 
@@ -348,7 +348,7 @@ let offset =
     end [@metaloc loc]
 
 let transform_item =
-  let regexp = Re_str.regexp "\\([a-zA-Z]+\\)[ \t\r\f]*(\\([^)]*\\))" in
+  let regexp = Re_str.regexp "\\([a-zA-Z]+\\)[ \t\r\n]*(\\([^)]*\\))" in
 
   fun ?separated_by:_ ?default:_ loc name s ->
     if not @@ does_match regexp s then
@@ -409,8 +409,8 @@ let transform_item =
     Some e
 
 let rec transform =
-  let regexp_wsp = Re_str.regexp "[ \t\r\f]*" in
-  let regexp = Re_str.regexp "[ \t\r\f]*\\([a-zA-Z]+[ \t\r\f]*([^)]*)\\)\\(.*\\)" in
+  let regexp_wsp = Re_str.regexp "[ \t\r\n]*" in
+  let regexp = Re_str.regexp "[ \t\r\n]*\\([a-zA-Z]+[ \t\r\n]*([^)]*)\\)\\(.*\\)" in
 
   fun ?separated_by:_ ?default:_ loc name s ->
     if does_match regexp_wsp s then
@@ -419,9 +419,9 @@ let rec transform =
       begin
         let item = Re_str.matched_group 1 s in
         let rest = Re_str.matched_group 2 s in
-        Option.bind (transform_item ~separated_by ~default loc name item) (fun item ->
-          Option.bind (transform ~separated_by ~default loc name rest) (fun l ->
-            Some (item :: l)))
+        Option.bind (transform_item loc name item) (fun item ->
+          Option.bind (transform loc name rest) (fun l ->
+            Some [%expr [%e item] :: [%e l]]))
       end
     else
       Common.error loc "Value of %s is not a list of SVG transform" name