Internals: Add BISONPRE_COPY_ONCE method
Internals: Add BISONPRE_COPY_ONCE method

uastw-embsys/Verilog-Perl,uastw-embsys/Verilog-Perl,uastw-embsys/Verilog-Perl,MegabytePhreak/Verilog-Perl,MegabytePhreak/Verilog-Perl