Explicitly unfreeze strings used by parser

mogest · Jun 16, 2024 · dc758d2 · dc758d2
1 parent fb7bba6
commit dc758d2
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/prawn/svg/css/values_parser.rb b/lib/prawn/svg/css/values_parser.rb
@@ -34,7 +34,7 @@ def parse_function_call(name, rest)
         arguments = []
         in_quote = nil
         in_escape = false
-        current = ''
+        current = +''
 
         rest.each_char.with_index do |char, index|
           if in_escape
@@ -52,7 +52,7 @@ def parse_function_call(name, rest)
             in_escape = true
           elsif in_quote.nil? && char == ','
             arguments << current.strip
-            current = ''
+            current = +''
           elsif in_quote.nil? && char == ')'
             arguments << current.strip
             return [[name, arguments], rest[index + 1..]]