  
  Bugfixes
  ========
  
  * ...
 
</s> remove         quoted_etag = http.quote_etag(r'e\t"ag')
 </s> add         original_etag = r'e\t"ag'
        quoted_etag = http.quote_etag(original_etag) </s> remove                 etag=etag,
 </s> add                 etag=unquote_etag(etag),
* Fixed a regression in ``ConditionalGetMiddleware`` causing ``If-None-Match`` checks
  to always return HTTP 200 (:ticket:`26024`).
  
  Bugfixes
  ========
  
* Fixed a regression in ``ConditionalGetMiddleware`` causing ``If-None-Match`` checks
  to always return HTTP 200 (:ticket:`26024`).
keep keep keep keep replace
 Fixed #26024 -- Fixed regression in ConditionalGetMiddleware ETag support.

Thanks Denis Cornehl for help with the patch. 
docs/releases/1.9.2.txt