30.14.2 Fortran Indentation

Special commands and features are needed for indenting fixed (or tab) form Fortran code in order to make sure various syntactic entities (line numbers, comment line indicators and continuation line flags) appear in the required columns.

• Commands: Commands for indenting and filling Fortran.
• Contline: How continuation lines indent.
• Numbers: How line numbers auto-indent.
• Conv: Conventions you must obey to avoid trouble.
• Vars: Variables controlling Fortran indent style.