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+#X text 420 293 ---- 0.02 seconds ----;
+#X text 427 550 updated for Pd version 0.39;
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+#X text 138 30 -- PHASES (percent) --;
+#X text 164 180 AMPLITUDES (percent);
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+#X text 31 3 Making trapezoidal waves from sawtooth waves;
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+#X text 4 476 If the amplitudes sum to zero (with negative ones to
+balance positive ones) \, the slope of each linear segment becomes
+zero. Otherrwise \, the segments have just enough slope to make up
+for the three jumps ane get to the same starting value after each cycle..
+;
+#X text 4 408 Here we combine three sawtooth waves with controllable
+relative phases and amplitudes (in percent \, between -100 and 100.)
+Each sawtooth wave gives rise to one jump (upward or downward) per
+cycle.;
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