[e-lang] Patch for review: show updoc errors immediately

[Kevin Reid]

On Sep 26, 2011, at 9:49, Thomas Leonard wrote:

>> Also, another nice thing to have would be to add an option to additionally print the individual steps as they are executing (so that finding a hung/lost-signal test is not a matter of counting dots). Or, since the evaluation occurs in a separate vat from the updoc replay (if I recall correctly), have a timeout after which the step is printed and reported as hung.
> 
> You can print the steps with: -Dupdoc.trace=true

OK, needs documenting. Could you write up what you know in a section something like "Running Updoc scripts" in <http://wiki.erights.org/wiki/Updoc>? I'll work on it myself later, but I'm a bit busy today.

-- 
Kevin Reid                                  <http://switchb.org/kpreid/>