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which included commits to RCS files with non-trunk default branches.

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diff --git a/pd/doc/5.reference/math-help.pd b/pd/doc/5.reference/math-help.pd
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+#X text 87 17 Higher math in Pd;
+#X text 171 58 trig functions take inputs in radians;
+#X text 24 213 The arc tangent takes two forms. The atan2 version takes an (x \, y) pair and gives you an output between -pi and pi.;
+#X text 23 380 also \, square root \, natural logarithm and exponential \, and absolute value:;
+#X text 292 529 updated for Pd version 0.33;
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