32,38c32,38
<   <[a-zA-Z][-.a-zA-Z0-9:_]*          # tag name
<   (?:\s+                             # whitespace before attribute name
<     (?:[a-zA-Z_][-.:a-zA-Z0-9_]*     # attribute name
<       (?:\s*=\s*                     # value indicator
<         (?:'[^']*'                   # LITA-enclosed value
<           |\"[^\"]*\"                # LIT-enclosed value
<           |[^'\">\s]+                # bare value
---
>   <[a-zA-Z][-.a-zA-Z0-9:_]*         # tag name
>   (?:\s*                            # optional whitespace before attribute name
>     (?:[a-zA-Z_][-.:a-zA-Z0-9_]*    # attribute name
>       (?:\s*=\s*                    # value indicator
>         (?:'[^']*'                  # LITA-enclosed value
>           |\"[^\"]*\"               # LIT-enclosed value
>           |[^'\">\s]+               # bare value
43c43
<   \s*                                # trailing whitespace
---
>   \s*                               # trailing whitespace