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authorPeter Breitenlohner <peb@mppmu.mpg.de>2011-01-19 09:25:09 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2011-01-19 09:25:09 +0000
commitba0525ab1357402db941d4e2e6da5cd579ab2056 (patch)
tree1e4947c88c2c706a0cb63401ef2de6f6dfb66965 /Build/source/texk/web2c/eptexdir/eptex.ech
parenta60f5ea755bf71fb0df1a975af1082474c52f6d5 (diff)
pTeX's \lastkern etc and epTeX's \lastnodetype
git-svn-id: svn://tug.org/texlive/trunk@21124 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/eptexdir/eptex.ech')
-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