[XeTeX] Overfull boxes return status of 0 in XeTeX

[Julian Bradfield]

On 2016-03-13, Philip Taylor <P.Taylor at Rhul.Ac.Uk> wrote:
> Yes, it is the "inspecting the log file" that I am trying to avoid, in
> the interests of efficiency; an inspection of the log file should be
> required (as it currently is) only if the status code returned by *TeX
> is non-zero.

You are living 30 years ago. Today (or even 10 years ago), grepping a
log file for specified text consumes an unnoticeable amount of time
for any log file generated by a non-pathological TeX run, and it
allows TeXworks' problems to be solved by TeXworks, as they should be.