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-rw-r--r--Build/source/texk/web2c/eptexdir/eptex.ech25
1 files changed, 14 insertions, 11 deletions
diff --git a/Build/source/texk/web2c/eptexdir/eptex.ech b/Build/source/texk/web2c/eptexdir/eptex.ech
index 2ce1d836469..868e1b2641e 100644
--- a/Build/source/texk/web2c/eptexdir/eptex.ech
+++ b/Build/source/texk/web2c/eptexdir/eptex.ech
@@ -31,22 +31,25 @@
@d max_quarterword=@"FFFF {largest allowable value in a |quarterword|}
@z
-@x e-pTeX: node types
+@x [26.424] e-pTeX: node types
last_node_type_code:
if (type(tail)<>math_node)or(subtype(tail)<>end_M_code) then
if type(tail)<=unset_node then cur_val:=type(tail)+1
else cur_val:=unset_node+2;
+ end; {there are no other cases}
+ end
@y
- last_node_type_code:
- if (type(tail)<>math_node)or(subtype(tail)<>end_M_code) then
- if type(tail)<=unset_node then begin
- if type(tail)<dir_node then cur_val:=type(tail)+1
- else if type(tail)=dir_node then cur_val:=unset_node+1
- else if type(tail)<disp_node then cur_val:=type(tail)
- else if type(tail)=disp_node then cur_val:=unset_node+2
- else cur_val:=type(tail)-1;
- end
- else cur_val:=unset_node;
+ last_node_type_code:
+ if ((type(q)<>math_node)or(subtype(q)<>end_M_code))and(head<>tail) then
+ if type(q)<=unset_node then begin
+ if type(q)=dir_node then q:=list_ptr(q);
+ cur_val:=type(q);
+ if cur_val<dir_node then cur_val:=cur_val+1
+ else if cur_val>disp_node then cur_val:=cur_val-1;
+ end
+ else cur_val:=unset_node; {\epTeX's |unset_node| is \eTeX's |unset_node+2|}
+ end; {there are no other cases}
+ end;
@z
@x e-pTeX: if primitives - leave room for three e-TeX codes