On Apr 3, 2012, at 2:29 PM, Tedd Sperling wrote:

> Hi gang:
> Let me start a religious war -- should one end their scripts with "?>" or not?
> After years of never having a problem with ending any of my scripts with 
> "?>", I found that several students in my class had scripts that did not 
> produce the desired result even after they were given the scripts via 
> highlight_file(") to cut and paste.
> As it turned out, several students copy/pasted the script with an addition 
> whitespace after the ending "?>" and as such the scripts did not run as 
> expected. You see, the scripts created image but apparently the image 
> delivery method objected to the additional whitespace.
> Does anyone have more examples of where scripts will fail IF they end with 
> "?> " (note the additional space)?
> Cheers,
> tedd

I believe this can also be problematic if script A ends with "?> " (with 
additional space) and script B includes script A at the top, which will cause 
the headers to be sent.
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