texlive[55394] Build/source/texk/web2c/pdftexdir: pdftex r829

[commits+kakuto at tug.org]

Revision: 55394
          http://tug.org/svn/texlive?view=revision&revision=55394
Author:   kakuto
Date:     2020-06-03 00:24:41 +0200 (Wed, 03 Jun 2020)
Log Message:
-----------
pdftex r829 (Hironobu's patch)

Revision Links:
--------------
    http://tug.org/svn/texlive?view=revision&revision=829

Modified Paths:
--------------
    trunk/Build/source/texk/web2c/pdftexdir/ChangeLog
    trunk/Build/source/texk/web2c/pdftexdir/pdftex.web

Modified: trunk/Build/source/texk/web2c/pdftexdir/ChangeLog
===================================================================
--- trunk/Build/source/texk/web2c/pdftexdir/ChangeLog	2020-06-02 21:24:20 UTC (rev 55393)
+++ trunk/Build/source/texk/web2c/pdftexdir/ChangeLog	2020-06-02 22:24:41 UTC (rev 55394)
@@ -1,3 +1,9 @@
+2020-06-03  Thanh Han The  <hanthethanh at gmail.com>
+
+	* pdftex.web: Initialize save_tail to avoid garbage values.
+	Remove unnecessary codes. Both from Hironobu Yamashita.
+	pdftex r829.
+
 2020-06-02  Thanh Han The  <hanthethanh at gmail.com>
 
 	* pdftex.web (auto_kern): @d=3, rather than "explicit".

Modified: trunk/Build/source/texk/web2c/pdftexdir/pdftex.web
===================================================================
--- trunk/Build/source/texk/web2c/pdftexdir/pdftex.web	2020-06-02 21:24:20 UTC (rev 55393)
+++ trunk/Build/source/texk/web2c/pdftexdir/pdftex.web	2020-06-02 22:24:41 UTC (rev 55394)
@@ -4996,7 +4996,7 @@
 @<Set init...@>=
 nest_ptr:=0; max_nest_stack:=0;
 mode:=vmode; head:=contrib_head; tail:=contrib_head;
-eTeX_aux:=null;
+eTeX_aux:=null; save_tail:=null;
 prev_depth:=ignore_depth; mode_line:=0;
 prev_graf:=0; shown_mode:=0;
 @<Start a new current page@>;
@@ -17241,9 +17241,9 @@
             (save_tail <> null) then
     begin
         r := save_tail;
-        while (r <> null) and (link(r) <> null) and (link(r) <> p) do
+        while (link(r) <> null) and (link(r) <> p) do
             r := link(r);
-        if (r <> null) and (link(r) = p) then
+        if (link(r) = p) then
             set_char_and_font(r); {set |f| and |c| if |r| is a char or ligature}
     end;
     if (c = non_char) then