[Xy-pic] Showing an arrow in text

[Josep Maria Font]

Hi,

I am new to the list, and hope some more experienced folks may give some help.

I am using several simple arrow diagrams made with xymatrices in a paper, and I want to show the arrow used in the diagrams in an inline comment, in ordinary text. For this I am writing this small xymatrix, containing just an arrow between two empty nodes:

$\xymatrix at C=10pt{*{}\ar[r]&*{}}$

However, when compiling, TeX complains with

> Argument of \doSpecialRotate@@ has an extra }

If I hit "s" the compilation continues, as expected, and ends by producing the wanted result, after complaining that

> Runaway argument?
> \xP at doSpecialRotate@@ {\xy \nter@ \endxy \xy@ \xymatrix {\nter@ {}}}\fi \ETC.

and that

> Paragraph ended before \doSpecialRotate@@ was complete.

I can't see any obvious mistake in my code, but I am aware that Xy-pic has a very complicated syntax. Any help would be appreciated.

Best,


JMaF





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