reason for "eval" in net-barchart.scm

[Rob Browning]

Robert Graham Merkel <rgmerk@mira.net> writes:

> Firstly, I think the first solution is better, but if we needed an
> eval that worked across guile versions, couldn't we define a
> "gnc-eval" that tested the guile version number and DTRT (possibly
> with some caveats as to what you were allowed to eval)?

Yep, if we needed to, we could do that, though it's possible that the
older guile's optionally accepted the 2 argument form, but I haven't
checked.

-- 
Rob Browning
rlb @defaultvalue.org, @linuxdevel.com, and @debian.org
Previously @cs.utexas.edu
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