Nasal runtime error "invalid format string" in tooltip when mouse-wheel is used
When the mousewheel is used hovering over an animation, the change is applied, but the following or a similar error is written to the console:
Nasal runtime error: invalid format string
at C:/FlightGear_340/data/Nasal/canvas/tooltip.nas, line 134
called from: C:/FlightGear_340/data/Nasal/canvas/tooltip.nas, line 94
called from: C:/FlightGear_340/data/Nasal/canvas/tooltip.nas, line 289
called from: C:/FlightGear_340/data/Nasal/canvas/tooltip.nas, line 365