+ /** \return \b true if it's OK for MarkInstall to recursively
+ * install the given version of the given package.
+ *
+ * \param p the package that MarkInstall wants to install.
+ * \param v the version being installed, or an end iterator
+ * if p is being removed.
+ * \param d the dependency being fixed.
+ *
+ * The default implementation unconditionally returns \b true.
+ */
+ virtual bool AutoInstOk(const PkgIterator &p,
+ const VerIterator &v,
+ const DepIterator &d);
+