Fix dxf text import (cherry-pick to 1.0.x)

See merge request !256

(partial cherry-pick of b9a0f6f2)

Fix interpolate attribute in group extension, improve paint_order documentation.

See merge request !253

Fix string literal comparison with "is" in interpolate

See merge request !239

remove duplicate values() call in text extensions

See merge request !238

A few string improvements for the Scribus export extension.

See merge request !226

1.0.x cherry pick aug 17

See merge request !224

Maren Hachmann authored Aug 15, 2020 and Martin Owens committed Aug 17, 2020

Improve error message. Nobody knows who 'we' is supposed to be - it's rather spooky. Also the message didn't give info about what action a user would need to take.

Nathan Lee authored Jul 28, 2020 and Martin Owens committed Aug 17, 2020

Fix #275

Windell Oskay authored Jul 21, 2020 and Martin Owens committed Aug 17, 2020

oskay/hershey-text#20
oskay/hershey-text#22

This reverts commit 06055e6e.

Terminology update

See merge request !211

Following a lead by the Open Source Hardware Association, remove deprecated terminology https://www.oshwa.org/2020/06/29/a-resolution-to-redefine-spi-pin-names/

test cases for Path to_absolute() and to_relative() with more than 2 subpaths.

See merge request !210

fixed Path to_relative()

Danish language support for Hershey Text

See merge request !209

Add Æ, æ characters

Units update

See merge request !208

* Add new list of UNITS accepted within SVG, a superset of those supported for length conversion.
* Add "Q" unit to dictionary of supported absolute length conversions
* convert_unit returns None when asked to convert to or from units that aren't supported for absolute length conversion.
* Add test for parsing non-absolute length units (%)
* Add test for converting to default user units from in
* Add test for converting from default user units to in
* Add tests for converting to and from valid but non-length units
* Add tests for converting to and from unsupported units