[Therion] Hiding cross-section symbols

[Martin Sluka]

> 28. 11. 2021 v 13:47, Bill Gee <bgee at campercaver.net>:
> 
> I like to use "-direction both" on my section lines.  Yes, I could put the direction arrow on one end only, but that is not my work habit.

Anyway you may use this trick:



Both lines are group sections.

M.
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