improved abs~ doc

pd/doc/5.reference/abs~-help.pd

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-#X text 316 257 updated for Pd version 0.42.;
-#X obj 20 132 abs~;
-#X obj 21 14 abs~;
-#X text 60 14 - absolute value;
-#X text 82 33 Passes nonnegative values unchanged \, but replaces negative
-ones with their (positive) inverses.;
-#X text 81 66 (turn DSP on to test):;
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+#X text 21 209 no arguments;
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+#X text 99 317 signal;
+#X text 99 360 signal;
+#X text 88 397 (none);
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+#X text 154 317 - The signal that was input;
+#X text 152 360 - The absolute value of input;
+#X text 20 58 abs~ can be used for a rough instantaneous measure of
+signal amplitude \, among other things.;
+#X text 173 183 Signal multiplication where the modulator wave is limited
+to a positive range produces amplitude modulation (as opposed to ring
+modulation).;
+#X obj 475 56 pddp/dsp;
+#X text 0 27 converts all signal values to positive values;
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+#X obj -1 429 pddp/pddplink all_about_help_patches.pd -text Usage Guide
+;
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+#X text 6 1 Related Objects;
+#X obj 9 28 abs~;
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+#X text 13 11 WEBSITE http://crca.ucsd.edu/~msp/;
+#X text 13 -109 LICENSE SIBSD;
+#X text 13 -9 AUTHOR Miller Puckette;
+#X text 13 31 RELEASE_DATE 1997;
+#X text 13 -129 KEYWORDS signal absolute;
+#X text 13 -89 DESCRIPTION converts all signal values to positive values
+;
+#X text 13 -69 INLET_0 signal;
+#X text 13 -49 OUTLET_0 signal;
+#X text 13 51 HELP_PATCH_AUTHORS Alex Cleveland updated this patch
+for Pd-l2ork version 2013.05.28;
+#X text 13 -29 LIBRARY internal;
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