see https://gerrit.libreoffice.org/#/c/3367/ and Change-Id: I00c96fa77d04b33a6f8c8cd3490dfcd9bdc9e84a for details Change-Id: I199a75bc4042af20817265d5ef85b1134a96ff5a
fast/small XML pull parser. Implements a simple, fast pull parser, currently used by [[configmgr]] and [[stoc]]'s simpleregistry code (used to register UNO components in services.rdb files). It supports a subset of XML features, but is fast and small.