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-rw-r--r--Doc/ext/extending.tex9
1 files changed, 6 insertions, 3 deletions
diff --git a/Doc/ext/extending.tex b/Doc/ext/extending.tex
index 95e4546..c50714e 100644
--- a/Doc/ext/extending.tex
+++ b/Doc/ext/extending.tex
@@ -46,9 +46,12 @@ The first line of our file can be:
which pulls in the Python API (you can add a comment describing the
purpose of the module and a copyright notice if you like).
-Since Python may define some pre-processor definitions which affect
-the standard headers on some systems, you must include \file{Python.h}
-before any standard headers are included.
+
+\begin{notice}[warning]
+ Since Python may define some pre-processor definitions which affect
+ the standard headers on some systems, you \emph{must} include
+ \file{Python.h} before any standard headers are included.
+\end{notice}
All user-visible symbols defined by \file{Python.h} have a prefix of
\samp{Py} or \samp{PY}, except those defined in standard header files.