[XeTeX] Overfull boxes return status of 0 in XeTeX

[Philip Taylor]

Zdenek Wagner wrote:

> In the very same way as TeX is called. It has to start a shell (cmd.exe
> in Windows) and ask it to start the lua interpreter and execute the lua
> script. If you want to analyze the log file immediatelly, I would write
> a lua script that would run tex, then looked into the log file and then
> generate an output and/or status code for the front end. The script
> would know the TeX command and the file name, hence it would know the
> name of the log file. You can invent command lines parameters for the
> script itself so that you can ask it to extract various pieces of
> information from the log to the console. One of my scripts extracts
> information on all overful \hboxes and the underful \hbox with the
> greatest badness.

Well, the TeXworks list has been copied into most (but not all) of this
thread, so I think it better if I allow Stefan to respond for himself.
My belief remains unchanged -- it is the engines that should be
enhanced, rather than the front ends, but in such a way that their
current behaviour is unaltered (e.g., a new command-line parameter).

** Phil.