Does not having line breaks in your output effect anything?

Other than readability?

[HughMungus]

Function? Spiderability? Any reason to worry about not having line breaks in automatically-generated html?

[drbrain]

You save bandwidth by not having them.

If the HTML is auto-generated and your have good tests to find when things break, or a good reformatter (HTML Tidy), then there's nothing to worry about.

[mifi601]

I actually really like it since it makes my code harder to read for competitors, but then again as mentioned before there are plenty of tools to 'tidy it up' :(

never noticed any drawbacks - again maybe with line breaks i would rank #1 for all my search terms :)