  
  [1X26 [33X[0;0YCoxeter diagrams and graphs of groups[133X[101X
  
      │                   [10XCoxeterDiagramComponents(D) [110X                   
      │                    [10XCoxeterDiagramDegree(D,v) [110X                    
      │ [10XCoxeterDiagramDisplay(D) [110X [10XCoxeterDiagramDisplay(D,"web browser") [110X
      │                  [10XCoxeterDiagramFpArtinGroup(D) [110X                  
      │                 [10XCoxeterDiagramFpCoxeterGroup(D) [110X                 
      │                   [10XCoxeterDiagramIsSpherical(D) [110X                  
      │                     [10XCoxeterDiagramMatrix(D) [110X                     
      │                      [10XCoxeterSubDiagram(D,V) [110X                     
      │                    [10XCoxeterDiagramVertices(D) [110X                    
      │                         [10XEvenSubgroup(G) [110X                         
      │ [10X GraphOfGroupsDisplay(D) [110X [10XGraphOfGroupsDisplay(D,"web browser") [110X 
      │                     [10X GraphOfResolutions(D,n) [110X                    
      │                        [10X GraphOfGroups(D) [110X                        
      │                  [10X GraphOfResolutionsDisplay(D) [110X                  
      │                       [10XGraphOfGroupsTest(D) [110X                      
      │             [10XTreeOfGroupsToContractibleGcomplex(D,G) [110X             
      │           [10XTreeOfResolutionsToContractibleGcomplex(D,G) [110X          
  
  [33X[0;0Y#[133X
  
