Variables

[matt-curtis]

This will be a bit of a tough one to implement right and store properly... current thoughts:

• Cascades down and can be overriden at different levels (Document, Page, Artboard, Group, Layer)
• Variables are essentially mathematic expressions assigned to something like $a, etc.
• Can build off previous value of a variables, so $padding = $padding + 100%

Possible applications:

• Change padding between layers quickly and easily
• Toggle the values of variables to test different configurations quickly
• Cuts down on common, repetitive constraints

Possible an extraneous feature. There's downsides to this being (mis)/applied as well. Feedback welcome.