replace in opening quotations

node36.html

@@ -119,7 +119,7 @@ In Figure <A HREF="#fig02.15">2.15</A> (part a), a <TT>phasor~</TT> object suppl
 indices into the wavetable (at right) and phases for a half-cosine-shaped
 envelope function at left.  These two are multiplied, and the product is
 high-pass filtered and output.  Reading the wavetable is straightforward; the
-phasor is multiplied by a ``chunk size" parameter, added to 1, and used as an
+phasor is multiplied by a "chunk size" parameter, added to 1, and used as an
 index to <TT>tabread4~</TT>The chunk size parameter is multiplied by
 441 to convert it from hundredths of a second to samples.  This corresponds
 exactly to the block diagram shown in Figure <A HREF="node28.html#fig02.05">2.5</A>, with a segment
@@ -141,10 +141,10 @@ function in the range (<IMG
 of the waveform.
 
 <P>
-Part (b) of Figure <A HREF="#fig02.15">2.15</A> introduces a third parameter, the ``read
+Part (b) of Figure <A HREF="#fig02.15">2.15</A> introduces a third parameter, the "read
 point", which specifies where in the sample the loop is to start.  (In part (a)
 we always started at the beginning.)  The necessary change is simple enough:
-add the ``read point" control value, in samples,
+add the "read point" control value, in samples,
 to the wavetable index and proceed as before.  To avoid discontinuities
 in the index we smooth the read point value using
 <TT>pack</TT> and <TT>line~</TT> objects, just as we did in