Posted by ACL on May 22, 2020; 11:39pm
URL: https://forum.librecad.org/Trim-commands-drawback-tp5718936p5718955.html

Yes, if selecting the outer circle as the limiting entity, then:

click 1 to trim, 2 and 3 go away
click 2 to trim, 1 or 3 goes away (whichever is closer)
click 3 to trim, 1 and 2 go away

The second (farther) intersection of the circle is never noticed. In AutoCAD (at least the older ones) I think removing the middle part would be done with the BREAK command.