Adjust validator of tangent constraint attributes for arc-arc tangency

diff --git a/src/SketchPlugin/SketchPlugin_Validators.cpp b/src/SketchPlugin/SketchPlugin_Validators.cpp
index fe88ebf595e516bc949a0b732905bf6c59cd8031..95da79b9513deced964b1fd618ad7cab8ef9f6d2 100644 (file)
--- a/src/SketchPlugin/SketchPlugin_Validators.cpp
+++ b/src/SketchPlugin/SketchPlugin_Validators.cpp
@@ -95,7 +95,8 @@ bool SketchPlugin_TangentAttrValidator::isValid(
       if (aOtherFea->getKind() != SketchPlugin_Arc::ID())
         return false;
     } else if (aRefFea->getKind() == SketchPlugin_Arc::ID()) {
-      if (aOtherFea->getKind() != SketchPlugin_Line::ID())
+      if (aOtherFea->getKind() != SketchPlugin_Line::ID() &&
+          aOtherFea->getKind() != SketchPlugin_Arc::ID())
         return false;
     } else
       return false;