Re: Follow-up to earlier question

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Algorithmic improvements in the pretty-printer could potentially decrease
its use of special vars. However, user-defined print-object methods could
be to blame.  The size to which you increased the binding stack (10x over
the default) should have allowed *640 thousand* bindings. I am curious to
know which vars are on the stack so I concocted a patch to ldb-monitor
which can tell you.  Try rebuilding with the patch (which requires the
latest unreleased SBCL), entering ldb-monitor, executing the added
'bindings' command, and then you will see output resembling the following:
ldb> *bindings*
slot      4: *                              ffffffffffffffff
slot      5: **                             ffffffffffffffff
slot      6: ***                            ffffffffffffffff
...
slot    146: *ERROR-OUTPUT*                 ffffffffffffffff
slot    148: *READ-SUPPRESS*                5200000fff97
slot    149: *SUPPRESS-FRAME-PRINT*         ffffffffffffffff

>

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<div dir=3D"ltr"><div dir=3D"ltr"><div>Algorithmic improvements in the pret=
ty-printer could potentially decrease its use of special vars. However, use=
r-defined print-object methods could be to blame.=C2=A0 The size to which=
=C2=A0you increased=C2=A0the binding stack (10x over the default) should ha=
ve allowed <i>640 thousand</i> bindings. I am curious to know which vars ar=
e on the stack so I concocted a patch to ldb-monitor which can tell you.=C2=
=A0 Try rebuilding=C2=A0with the patch (which requires the latest unrelease=
d SBCL), entering ldb-monitor, executing the added &#39;bindings&#39; comma=
nd, and then you will see output resembling the following:</div><div><font =
face=3D"monospace">ldb&gt; <b>bindings</b></font></div><div><font face=3D"m=
onospace">slot =C2=A0 =C2=A0 =C2=A04: * =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0ffffff=
ffffffffff<br>slot =C2=A0 =C2=A0 =C2=A05: ** =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 fffff=
fffffffffff<br>slot =C2=A0 =C2=A0 =C2=A06: *** =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0ffffff=
ffffffffff</font></div><div><font face=3D"monospace">...</font></div><font =
face=3D"monospace">slot =C2=A0 =C2=A0146: *ERROR-OUTPUT* =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 ffffffffffffffff<br>slot =C2=A0 =C2=
=A0148: *READ-SUPPRESS* =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A05200000fff97<br>slot =C2=A0 =C2=A0149: *SUPPRESS-FRAME-PRINT* =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 ffffffffffffffff</font><div><div class=3D"gmail_quote"=
><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border=
-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div style=3D"font-=
family:sans-serif">
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