test MSubLine

benchmarks/io_msh/MSubLine.geo

+Merge "MSubLine_input.msh";
+Mesh.MshFileVersion = 3;
+Save "MSubLine_ouput.msh";
+Exit;
\ No newline at end of file

benchmarks/io_msh/MSubLine_input.msh

+$MeshFormat
+3 0 8
+$EndMeshFormat
+$Entities
+0 3 0 0
+0 0 1 0
+1 0 1 1
+2 0 1 2
+$EndEntities
+$Nodes
+3
+1 0 0 0 0
+2 1 0 0 0
+3 0.5 0 0 0
+$EndNodes
+$Elements
+3
+1 1 0 2 1 2
+2 134 1 3 1 3 1
+3 134 2 3 3 2 1
+$EndElements