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Merged revision(s) 2480-2588 from tags/version-4.0.2:

This comprises all changes made from release 4.0.1 to release 4.0.2.

Split General Preferences frame into two: Miscellaneous (containing measurement units) and Display, containing all display related options.
Note: FrGeneralPrefs unit now contains only measurement units and displays on "Misc." tab. Options that display on "Display" tab in new FrDisplayPrefs unit.

Added facility to preferences dialog box to notify caller if any changes were made that require main window UI to be re-displayed.
All preferences frames were modified to flag such changes.
Modified TDialogMgr manager to pass this extra info to main form.
Modified main form to refresh display if required.

Standardised svn:mime-type properties to "text/plain" and svn:eol-style to "native"

Reintegrated v4-dev branch into trunk.
Trunk now contains v4 development tree

* Added a new group box where user can specify required start-up state of overview treeview.
* Revised code that arranges controls.

Merged changes from /branches/os-fonts:22-106 branch.

These changes add support for default operating system fonts to main display and dialog boxes.

Imported CodeSnip v3.0