line number tracking in the parser

[Daniel J Sebald]

John W. Eaton wrote:
> I just checked in the following changes that I think will improve the
> handling of input_line_number in the parser so that line numbers that
> are reported in error messages will be more accurate.  I would also
> expect setting breakpoints with the debugger to work better...

John,

I seem to recall recently running across the situation where the line number is incorrect when there's an error in a non-function script file.  The line number was reported as -1.

Does a -1 seem possible?  Is that the initialized value?

Dan