title: emacs ansi-term background color
body: <p>I'm having a problem changing the background color in ansi-term (and also term - but shell is fine). It displays colors fine from output but the background color of the out put is always white. Not the entire buffer, but just under actual characters that have been outputted. If I do something like</p>
  
  <pre><code>(add-hook 'ansi-term-mode-hook
      (lambda ()
          (set-background-color "purple")))
  </code></pre>
  
  <p>This changes the buffer's background color, but the output just overrides it with its own background color - white.</p>
  
  <p>I've also tried to find the face that it is using so I can customize it by doing <code>C-u C-x =</code> to get the info on the face at the point -- which works for everything else and even points you where to change it which is nice... but in ansi term i get this</p>
  
  <pre><code>    character: m (109, #o155, #x6d)
  preferred charset: ascii (ASCII (ISO646 IRV))
     code point: 0x6D
         syntax: w    which means: word
       category: .:Base, a:ASCII, l:Latin, r:Roman
    buffer code: #x6D
      file code: #x6D (encoded by coding system utf-8)
        display: by this font (glyph code)
  xft:-unknown-DejaVu Sans Mono-normal-normal-normal-*-13-*-*-*-m-0-iso10646-1 (#x50)
  
  Character code properties: customize what to show
    name: LATIN SMALL LETTER M
    general-category: Ll (Letter, Lowercase)
  
  There are text properties here:
    face                 (:background "white" :foreground "black")
  
  [back]
  </code></pre>
  
  <p>I don't know where this is getting set.
  <b>      face                 (:background "white" :foreground "black")</b></p>
  
  <p>Also, I've used multiple themes that I know have the ansi-term-color-vector (zenburn, etc). I've gone through every sample in customize-face and its no where in there either.</p>
  
  <p>Any thoughts on how to override/set this so it's just the transparent (or unset) background like everything else? </p>
  
  <p>Thanks for any help.</p>