HeDGe is provided as is, for personal use and amusement. It does not purport to model the complexity of real heraldry, but tries to provide a simple way of creating devices keeping to a basic sub-set of heraldic rules.
HeDGe should work in the latest versions of the following desktop web browsers:
Unfortunately, HeDGe will not yet work in the following web browsers:
which are based on webkit, which apparently has a bug preventing access to the charge library.
It is unlikely to work with current versions of Internet Explorer, which lack support for SVG and other standards.
Grateful acknowledgements are made to:
A Sleeping Dog web production (last updated ).