ebnf-logebnf-log is a variable defined in `
ebnf2ps.el'. Its value is
nilDocumentation: Non-nil means generate log messages. The log messages are generated into the buffer *Ebnf2ps Log*. These messages are intended to help debugging ebnf2ps. You can customize this variable. This variable was introduced, or its default value was changed, in version 22 of Emacs.