Fix visual artifact for line-dasharray#9246

Merged

karimnaaji merged 2 commits intomasterfrom line-dash-array-fix

Feb 5, 2020

+215-53

Commits on Jan 29, 2020

Fix artifact for zero-lenghted dash array
karimnaaji
committed

Commits on Feb 5, 2020

combine consecutive dashes and parts
ansis
committed