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diff --git a/Master/texmf-dist/doc/latex/circuit-macros/examples/extras/squiggle.m4 b/Master/texmf-dist/doc/latex/circuit-macros/examples/extras/squiggle.m4
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+++ b/Master/texmf-dist/doc/latex/circuit-macros/examples/extras/squiggle.m4
@@ -0,0 +1,26 @@
+.PS
+# squiggle.m4
+gen_init
+
+divert(-1)
+dnl Should this macro be in libgen.m4 or would that be just adding clutter?
+
+                               `squiggle(linespec,
+                                         amplitude,wavelength,attributes)'
+                               `squiggly line (sinusoid), e.g.
+                                  squiggle(up_ 1 right_ 2,,,outlined "red")'
+define(`squiggle',`rpoint_(ifelse(`$1',,linewid,`$1'))
+  m4dist = lin_leng(last line)
+  m4cycles = int(m4dist/(ifelse(`$3',,0.25*scale,`$3'))+0.5)
+  define(`squiggleampl',`ifelse(`$2',,0.04*scale,`$2')')dnl
+  define(`squigglefreq',`(twopi_*m4cycles/m4dist)')dnl
+  sinusoid(squiggleampl,squigglefreq,-twopi_/4,0,m4dist,`$4') \
+    with .Origin at last line.start
+  move to last line.end')
+divert(0)dnl
+
+squiggle(up_ 1 right_ 2,,,outlined "red")
+squiggle(up 2 right_ 2,0.1,0.15,outlined "red" <-> wid 0.06 ht 0.05)
+squiggle(right_ 1,,,thick 2 dotted outlined "blue" )
+
+.PE