Hi Peter,
Thank you very much.

2016-10-31 15:22 GMT+01:00 Peter Münster <pmlists@free.fr>:
On Mon, Oct 31 2016, Fabrice Couvreur wrote:

> how to add the option -- purgeall ?

(setq ConTeXt-mode-hook
      (lambda () (setq TeX-command-extra-options "--purgeall")))

--
           Peter
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