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Diffstat (limited to 'Build/source/texk/web2c/alephdir/com16bit.ch')
-rw-r--r--Build/source/texk/web2c/alephdir/com16bit.ch8
1 files changed, 3 insertions, 5 deletions
diff --git a/Build/source/texk/web2c/alephdir/com16bit.ch b/Build/source/texk/web2c/alephdir/com16bit.ch
index 87ceac71690..e8315adc203 100644
--- a/Build/source/texk/web2c/alephdir/com16bit.ch
+++ b/Build/source/texk/web2c/alephdir/com16bit.ch
@@ -804,9 +804,8 @@ So they have been simplified here in the obvious way.
@^inner loop@>@^system dependencies@>
The \.{WEB} source for \TeX\ defines |hi(#)==#+min_halfword| which can be
-simplified when |min_halfword=0|. The Web2C implemetation of \Aleph\ can
-use |hi(#)==#| together with |min_halfword<0| as long as |max_halfword| is
-sufficiently large.
+simplified when |min_halfword=0|. The Web2C implemetation of \Aleph\
+occasionally uses |null| as~0, and therefore requires |min_halfword=0|.
@d qi(#)==# {to put an |eight_bits| item into a quarterword}
@d qo(#)==# {to take an |eight_bits| item from a quarterword}
@@ -2437,10 +2436,9 @@ begin @!{|start_here|}
@+init
if ini_version then begin
extra_mem_top := 0;
- extra_mem_bot := 0;
end;
@+tini
- if extra_mem_bot>sup_main_memory then extra_mem_bot:=sup_main_memory;
+ extra_mem_bot := 0;
if extra_mem_top>sup_main_memory then extra_mem_top:=sup_main_memory;
{|mem_top| is an index, |main_memory| a size}
mem_top := mem_bot + main_memory -1;