Fix bug in discrete position scales with continuous limits (fixes #3918)#3919

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thomasp85 merged 5 commits intotidyverse:masterfrom

paleolimbot:fix-issue-3918

Apr 30, 2020

Commits on Mar 31, 2020

fix manual limits with discrete scale that was only trained using continuous values
paleolimbot
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add test for the case of no discrete limits
paleolimbot
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Commits on Apr 2, 2020

add warning if user supplies continuous limits to a discrete scale
paleolimbot
committed

Commits on Apr 3, 2020