The libraries and element description files available in Cross Sections are edited using the following commands:
File menu > Edit > Cross Section libraries.
The default document viewer opens the current cross section library text file (the GEOM.TXT file corresponding to the current cross section library).

Editing Cross Section libraries
The section library file is modified using the document viewer commands.
File menu > Edit > Epure description.
The default document viewer opens the epure description file (the EPURE.TXT file corresponding to the current cross section library).

Editing an Epure description
The epure description file is modified using the document viewer commands.
File menu > Edit > Material library.
The default document viewer opens the material library text file (the MECA.TXT file).

Editing Materials libraries
The material library file is modified using the document viewer commands.
File menu > Edit > SD Features.
The default document viewer opens the steel design feature text file (the CM.TXT file corresponding to the current cross section library).

Editing SD features
The SD feature file is modified using the document viewer commands.