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diff --git a/graphics/pgf/base/doc/text-en/pgfmanual-en-tikz-shapes.tex b/graphics/pgf/base/doc/text-en/pgfmanual-en-tikz-shapes.tex
index eb23cd90d8..aa9b1a8962 100644
--- a/graphics/pgf/base/doc/text-en/pgfmanual-en-tikz-shapes.tex
+++ b/graphics/pgf/base/doc/text-en/pgfmanual-en-tikz-shapes.tex
@@ -2627,6 +2627,10 @@ Section~\ref{section-node-coordinates}. Suppose you have said
Likewise, |(1,1)--(x)| will also have the line end on the border in the
direction coming from |(1,1)|.
+ If the specified coordinate is almost identical to the node center, for
+ example |(x)--(0,0)|, no line will be drawn and a warning message will
+ be printed.
+
In addition to |--|, the curve-to path operation |..| and the path
operations \verb!-|! and \verb!|-! will also handle nodes without
anchors correctly. Here is an example, see also