title: Using commas in URL's can break the URL sometimes?
body: <p>Is anyone aware of any problems with using commas in SEO friendly URL's? I'm working with some software that uses a lot of commas in it's SEO friendly URL's; but I am 100% certain I have seen some instances where some programs/platforms don't recognize the URL correctly &amp; cut the "linking" of the URL off after the first comma.</p>
  
  <p>I just tested this out with thunderbird, gmail, hotmail &amp; on a SMF forum with no problems; however I know I have seen the issue before.</p>
  
  <p>So my question is, is there anything in particular that would cause some platforms to stop linking URL's with a comma? Such as a certain character after the comma?</p>