Language Obsolescence

• Obsolescent Features
  • Arithmetic IF Statement
  • ASSIGN Statement
  • ASSIGN ed GOTO Statement
  • ASSIGN ed FORMAT Statement
  • Hollerith Format Strings
  • PAUSE Statement
  • REAL and DOUBLE PRECISION DO-loop Variables
  • Shared DO-loop Termination
  • Alternate RETURN
  • Branching to an END IF
• Undesirable Features
  • Fixed Source Form
  • Implicit Declaration of Variables
  • COMMON Blocks
  • Assumed Size Arrays
  • EQUIVALENCE Statement
  • ENTRY Statement