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You could replace a character that occurs often (ie. the semicolon ';' which is usually at the end of a perl line ) with the same character and then a new line.
You'll need a text editor for this that can use 'regular expressions' in it's find/replace function(most I think, I use Textpad), possibly your html editor could do it as well (DreamWeaver can)
A new line in a regular expression is indicated by '\n' (without the quotes)
So when you replace
you would get something that looks a lot more readable. If not, just use a more suitable character then the semicolon. Remember to set the replace function to 'regular expression mode' or you would just put the literal \n in your code.