For my understanding, what it does is printing the file with line numbers, then activating "process_para" if matching empty line. It seems to me like the subroutine is processing only one line, isn't it? Thanks!

If you'd run it, you'd find you're wrong on both counts.

In reply to Re^3: Substitute in a subparagraph by ikegami
in thread Substitute in a subparagraph by guyov1

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