Importing custom widgets in Designer which are INNER CLASSES causes uic3
to generate include paths with double-colons.  For example:

--------------------------------------------------------------------------
"/projects/riverware/staff/philw/Five/include/qt/HdbDatasetDlgBase.hpp", 
 line 26: Error: Could not open include file "datasetdlg::buttonframe.h".
--------------------------------------------------------------------------

Three UI files will be problematic ...

DbDmi/DssDatasetDlgBase.ui: <widget class="DatasetDlg::NameFrame">
DbDmi/DssDatasetDlgBase.ui: <widget class="DatasetDlg::ConfigFrame">
DbDmi/DssDatasetDlgBase.ui: <widget class="DatasetDlg::ButtonFrame">
DbDmi/DssDatasetDlgBase.ui: <class>DatasetDlg::NameFrame</class>
DbDmi/DssDatasetDlgBase.ui: <class>DatasetDlg::ButtonFrame</class>
DbDmi/DssDatasetDlgBase.ui: <class>DatasetDlg::ConfigFrame</class>
DbDmi/DssDatasetDlgBase.ui: <includehint>datasetdlg::nameframe.h</includehint>
DbDmi/DssDatasetDlgBase.ui: <includehint>datasetdlg::configframe.h</includehint>
DbDmi/DssDatasetDlgBase.ui: <includehint>datasetdlg::buttonframe.h</includehint>
DbDmi/DssSlotDlgBase.ui:    <widget class="DatasetDlg::NameFrame">
DbDmi/DssSlotDlgBase.ui:    <widget class="DatasetDlg::ButtonFrame">
DbDmi/DssSlotDlgBase.ui:    <class>DatasetDlg::NameFrame</class>
DbDmi/DssSlotDlgBase.ui:    <class>DatasetDlg::ButtonFrame</class>
DbDmi/DssSlotDlgBase.ui:    <includehint>datasetdlg::nameframe.h</includehint>
DbDmi/DssSlotDlgBase.ui:    <includehint>datasetdlg::buttonframe.h</includehint>
DbDmi/HdbDatasetDlgBase.ui: <widget class="DatasetDlg::NameFrame">
DbDmi/HdbDatasetDlgBase.ui: <widget class="DatasetDlg::ConfigFrame">
DbDmi/HdbDatasetDlgBase.ui: <widget class="DatasetDlg::ButtonFrame">
DbDmi/HdbDatasetDlgBase.ui: <class>DatasetDlg::NameFrame</class>
DbDmi/HdbDatasetDlgBase.ui: <class>DatasetDlg::ButtonFrame</class>
DbDmi/HdbDatasetDlgBase.ui: <class>DatasetDlg::ConfigFrame</class>
DbDmi/HdbDatasetDlgBase.ui: <includehint>datasetdlg::nameframe.h</includehint>
DbDmi/HdbDatasetDlgBase.ui: <includehint>datasetdlg::configframe.h</includehint>
DbDmi/HdbDatasetDlgBase.ui: <includehint>datasetdlg::buttonframe.h</includehint>

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