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-rw-r--r--Doc/ref/ref5.tex8
1 files changed, 5 insertions, 3 deletions
diff --git a/Doc/ref/ref5.tex b/Doc/ref/ref5.tex
index af1fa19..8ab01db 100644
--- a/Doc/ref/ref5.tex
+++ b/Doc/ref/ref5.tex
@@ -245,9 +245,11 @@ involved).
(In particular, converting a string adds quotes around it and converts
``funny'' characters to escape sequences that are safe to print.)
-It is illegal to attempt to convert recursive objects (e.g., lists or
-dictionaries that contain a reference to themselves, directly or
-indirectly.)
+Recursive objects (for example, lists or dictionaries that contain a
+reference to themselves, directly or indirectly) use \samp{...} to
+indicate a recursive reference, and the result cannot be passed to
+\function{eval()} to get an equal value (\exception{SyntaxError} will
+be raised instead).
\obindex{recursive}
The built-in function \function{repr()} performs exactly the same