From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/88825 Path: news.gmane.org!not-for-mail From: Gerben Wierda Newsgroups: gmane.comp.tex.context Subject: Can I turn images to grayscale with a ConTeXt command? 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