On 3-12-2010 3:19, Yury G. Kudryashov wrote:
Hi!
Color is not the only place where TikZ treats "!" in a special way. For
example, in TikZ/LaTeX you can say:
\coordinate (A) at (0, 0);
\coordinate (B) at (1, 0);
\coordinate (C) at ($ (A)!.3!(B) $); % z.C = .3[z.A, z.B] in MetaPost
\coordinate (D) at (2, 1);
\coordinate (E) at ($ (A)!(B)!(D) $); % projection of (B) to (A)--(D).
This code fails in ConTeXt because "!" is made a "normal" character.
if tokens have a special meaning, then it's up to tikz to deal with it
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