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		To draw a horizontal or vertical line from a point to a line:
 Select line - Horizontal (or vertical)
 select the first point of the line
 select the horizontal (vertical) point on the target line where you want your line to end
 Select line - 2 points
 select the last point you selected (the one on the target line)
 select the first point you chose
 select escape to get out of line mode
 
 Version: v2.2.1.2
 Compiler: Clang 15.0.0
 Compiled on: Jul 14 2025
 Qt Version: 5.15.2
 Boost Version: 1.88.0
 System: macOS 10.15
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