#136 maching @fid=; for matches(@p5:primaryKey=,$debug.filter=)
#217 running grapht:analyze_nodes.paths with debug.filter=
#221 foreach grapht:analyze_nodes.tree @grapht:fid=; @grapht:pos=; group-by="@fid"=; @p5:primaryKey=;
#437 mode grapht:analyze_nodes.paths.unique @grapht:fid=;