One more bug closed by documenting 'xvcg' in apt-cache.8.

debian/changelog

@@ -46,7 +46,7 @@ apt (0.7.17) unstable; urgency=low
       Machado. (Closes: #399673)
     - Mentioned more short options in the apt-get manpage. Documented 'xvcg'
       option in the apt-cache manpage. The part of patch by Andre Felipe
-      Machado. (Closes: #176106)
+      Machado. (Closes: #176106, #355945)
     - Documented that 'apt-get install' command should be used for upgrading
       some of installed packages. Based on patch by Nori Heikkinen and
       Andre Felipe Machado. (Closes: #267087)