- do not load xml documentation keys into memory but load only the hash code and keep everything else cached on disk.
- made Dom's region a value-type.
- do not create a SortedList<string, IReturnType> for every using statement but only when the using statements actually uses aliases.
Overall SD should use ca. 10 MB RAM less when working on a big solution like SharpDevelop.sln.
git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@468 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61
Daniel Grunwald