Converting Broadway Y6b to Y6a ... how easy?

[NW Modeling List]

An HTML attachment was scrubbed...
URL: <https://pairlist6.pair.net/pipermail/nw-modeling-list/attachments/20200207/768df47f/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: _94
Type: application/octet-stream
Size: 244 bytes
Desc: not available
URL: <https://pairlist6.pair.net/pipermail/nw-modeling-list/attachments/20200207/768df47f/attachment.obj>