* The renderer was changed to gridfit in the same direction when fitt…

* The modunit option may now only be set within global context.

* A guarddescent option was added to specify the descent of EAN/UPC g…

* Under propspec, the height option now acts as a multiplier on the s…

* Text alignment options for composite symbols was fixed.

* The primary symbol height option for composite symbols was fixed.

* Text group support was added to the MaxiCode symbology.

* A new physspec option was added to simplify the generation of vector symbols with specification-compliant physical dimensions.
* Nominal and bounding metrics can be looked up in per-symbology application specific tables with the new ast option.
* In physspec mode the gridfit option validates the effective X-dimension against specification bounds, trying alternate rounding directions when the initial snap falls outside the allowed range.

* gridfit and griddpi options were added to the renderers to snap mod…

* Alias option handling was simplified and improved.

* The text rendering system was generalised to support up to 9 indepe…

* The position of the whitespace guards for EAN/UPC symbols was simpl…