| Index: cms/converters.py | 
| diff --git a/cms/converters.py b/cms/converters.py | 
| index 34ded27a78058824d5e34abef7c6f2975350411d..fa7ef2cd773795eeacb0b850b38a0ca00bb68c4b 100644 | 
| --- a/cms/converters.py | 
| +++ b/cms/converters.py | 
| @@ -142,8 +142,8 @@ class Converter: | 
| result = default | 
|  | 
| # Insert fixed strings | 
| -    for i in range(len(fixed_strings)): | 
| -      result = re.sub(r"\{%d\}" % (i + 1), fixed_strings[i], result, 1) | 
| +    for i, fixed_string in enumerate(fixed_strings, 1): | 
| +      result = result.replace("{%d}" % i, fixed_string) | 
|  | 
| # Insert attributes | 
| result = escape(result) | 
|  |