From 3eeacfa036d3943f4e9c048568adfb1ca3ddb997 Mon Sep 17 00:00:00 2001
From: dos-reis <gdr@axiomatics.org>
Date: Thu, 13 Sep 2007 23:13:50 +0000
Subject:

---
 src/interp/Makefile.in        | 17 +++++++++++++++++
 src/interp/sys-constants.boot | 11 +++++++----
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/src/interp/Makefile.in b/src/interp/Makefile.in
index 3a4f4720..18ad5b37 100644
--- a/src/interp/Makefile.in
+++ b/src/interp/Makefile.in
@@ -479,6 +479,23 @@ database.date:
 $(AUTO)/%.$(FASLEXT): %.$(FASLEXT)
 	$(INSTALL) $< $@
 
+##
+## OpenAxiom's front-end consists of two parts:
+##    (a) the interprerter's parser -- also referred to as new parser
+##    (b) the compiler parser -- also referred to as parser
+##
+## The new parser component is always included in a running OpenAxiom
+## image.  However the old parser component is so called `autoloaded'.
+## While in theory that should work, in practice it turns out that 
+## people tend to override functions in the autoload part, correcting
+## bugs only there.  The consequence is that the same function will
+## bahave very differently based on the history of the seesion.  Ideal
+## recipe for creating heisenbugs.
+##
+## The new parser component roughtly is:
+##   astr.boot dq.boot incl.boot pile.boot ptrees.boot
+##   posit.boot cparse.boot format.boot cstream.boot
+##
 
 cparse.$(FASLEXT): cparse.clisp ptrees.$(FASLEXT)
 	$(BOOTSYS) -- --compile --output=$@ --load-directory=. $<
diff --git a/src/interp/sys-constants.boot b/src/interp/sys-constants.boot
index a3f37223..af971c11 100644
--- a/src/interp/sys-constants.boot
+++ b/src/interp/sys-constants.boot
@@ -520,7 +520,7 @@ $One ==
 
 ++
 $true ==
-  ''T
+  true
 
 $false ==
   false
@@ -531,13 +531,16 @@ $NoValue ==
 
 
 ++
-$exitMode == $EmptyMode
+$exitMode == 
+  $EmptyMode
 
 ++
-$leaveMode == $EmptyMode
+$leaveMode == 
+  $EmptyMode
 
 ++
 $noEnv == nil
 
 ++
-IDENTITY == function IDENTITY
+IDENTITY == 
+  function IDENTITY
-- 
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