prolog-electric-if-then-else-flag
prolog-electric-if-then-else-flag is a variable defined in `prolog.el
'.
Its value is nilDocumentation: Non-nil makes `(', `>' and `;' electric to automatically indent if-then-else constructs. You can customize this variable. This variable was introduced, or its default value was changed, in version 24.1 of Emacs.