On Dec 14, 2011, at 8:46 AM, Bradford Hosack wrote:

> ALSO, unless you haven't modified a themes CSS or PHP much, we NEVER update the theme once it is in use. If we want to use a newer version of the same theme we have sometimes gone as far as running an entire new installation of WP to avoid the issue of overwriting work. 

If you build out a theme using a child theme, the CSS, PHP, and other changed files reside in a separate location from the main theme allowing you to update the main theme without overwriting modified code. Of course mileage varies but generally it works pretty well. WP Codex has good documentation on this.

Peter

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Peter Fleck
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