chapter 2Subprograms and Initialisation 2--i section 2.1 Subprograms and Error Reporting 2--1 subsection 2.1.1Short Name FORTRAN -77 Naming Conventions 2--1 subsection 2.1.2Optional Arguments 2--2 subsection 2.1.3Error Reporting 2--3 subsubsectionProgramming Errors 2--3 subsubsectionUser Interaction Errors 2--3 section 2.2 Initialisation Subprograms 2--4 subsection 2.2.1Initialize User Interface Package 2--4 subsection 2.2.2Finish with User Interface Package 2--6