add extra comment to call Reset() also in derived Notify().
Fix a typo
TeX output: In some cases too many $ enclosed the text.
Add iterators over the deserialized declarations.
Now that we collect the deserialized declarations in a different list, depending
on whether it came from the ASTReader or not, we didn't have the mechanism to
force the codegen of deserialized inline functions. They naturally ended up in
the other list and thus they weren't marked with the special attribute UsedDecl
and they weren't iterated over and codegened.