Change composite margins in MM Layers scripting

joanca's picture

I'd like to shift composite glyphs in MM layers, with specific values for each layer. Set the marging in glyphs with components with are in a FontLab MM.
I've been trying and couldn't get it working.
glyph.Shift doesn't work with composites, I couldn't find a way with components.deltas either.
(probably I'm doing something wrong, FontLab API is a bit cryptic to me, It can't be that hard set sidebearings : )

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