BuilderBase cannot be resolved ... but only in Eclipse

[i-make-robots]

This is a question, not a bug per se.

Project is https://github.com/MarginallyClever/Robot-Overlord-App

IntelliJ maven import and build OK
Eclipse maven import and build NO GO

`The project was not built since its build path is incomplete. Cannot find the class file for com.vladsch.flexmark.util.builder.BuilderBase. Fix the build path then try building this project

The type com.vladsch.flexmark.util.builder.BuilderBase cannot be resolved. It is indirectly referenced from required type com.vladsch.flexmark.parser.Parser.Builder`

Offending class is https://github.com/MarginallyClever/Robot-Overlord-App/blob/04d30c531e2e8af9a1e4f5734d3d9ca0d3c73314/src/main/java/com/marginallyclever/robotoverlord/swing/robotlibrarypanel/ReadmePanel.java

Possibly related: #194