(belated) \InputIfFileExists support, tex4ht r609

git-svn-id: svn://tug.org/texlive/trunk@54365 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 42 insertions, 20 deletions

diff --git a/Master/texmf-dist/tex/generic/tex4ht/html32.4ht b/Master/texmf-dist/tex/generic/tex4ht/html32.4ht
index 4d98d0c28a0..af9a521548e 100644
--- a/Master/texmf-dist/tex/generic/tex4ht/html32.4ht
+++ b/Master/texmf-dist/tex/generic/tex4ht/html32.4ht
@@ -1,4 +1,4 @@
-% html32.4ht (2019-03-18-15:25), generated from tex4ht-html32.tex
+% html32.4ht (2020-02-18-14:18), generated from tex4ht-html32.tex
 % Copyright (C) 2009-2016 TeX Users Group
 % Copyright (C) 1997-2009 Eitan M. Gurari
 %
@@ -17,7 +17,7 @@
 %
 % If you modify this program, changing the
 % version identification would be appreciated.
-\immediate\write-1{version 2019-03-18-15:25}
+\immediate\write-1{version 2020-02-18-14:18}
 
 \exit:ifnot{CJK,% 
 Preamble,% 
@@ -668,6 +668,18 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
    \fi
 }
 
+\ifx\InputIfFileExists\UnDef%
+\def\input:if:fileexists#1#2#3{%
+   \openin15 #1.4ht%
+   \ifeof15%
+   #3%
+   \else%
+   \input #1%
+   \fi\closein15%
+}%
+\else
+\let\input:if:fileexists\InputIfFileExists%
+\fi%
 \Hinclude{\input #1.4ht}{fontmath}
 \Hinclude{\@ifpackageloaded{colortbl}{%
       \no:dupl{array}{\input  array.4ht}%
@@ -681,16 +693,13 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
    \else
       \let\:temp\empty
       \no:dupl{#1}{%
-         \openin15 #1.4ht
-         \ifeof15
-            \:CheckOption{debug}\if:Option
-               \:warning{No configuration file for
-                   #1.\if .#2.tex\else #2\fi}%
-            \fi
-            \let\:temp\empty
-         \else
-            \def\:temp{\input #1.4ht }%
-         \fi   \closein15
+        \def\:warn:msg{}
+        \:CheckOption{debug}\if:Option
+          \def\:warn:msg{%
+            \:warning{No configuration file for #1.\if .#2.tex\else #2\fi}%
+          }
+        \fi%
+        \def\:temp{\input:if:fileexists{#1.4ht}{}{\:warn:msg}}%
        }%
    \fi  \:temp}
 \edef\:temp{\noexpand\Hinclude
@@ -7156,6 +7165,7 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 
 
 
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{graphics}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -7185,6 +7195,7 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 
 
 
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{amsart}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -7361,7 +7372,6 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
-
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{amsmath}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -7377,6 +7387,7 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 \endinput\empty\empty\empty\empty\empty\empty
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{amsfonts}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -7393,7 +7404,6 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
-
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{amstex1}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -7436,6 +7446,7 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{amsppt}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -7517,6 +7528,7 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 \endinput\empty\empty\empty\empty\empty\empty
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{babel}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -7543,6 +7555,7 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{plain}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -8104,7 +8117,6 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 
 
 
-
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{seslideb}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -8452,6 +8464,8 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 
 
 
+
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{CJK}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -8465,6 +8479,7 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 
 
 
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{moreverb}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -8481,6 +8496,7 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 \endinput\empty\empty\empty\empty\empty\empty
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{fancyvrb}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -8614,6 +8630,7 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 \endinput\empty\empty\empty\empty\empty\empty
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{index}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -8639,6 +8656,10 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 
 
 
+
+
+
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{vanilla}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -8703,6 +8724,7 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 
 
 
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{ntheorem}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -8788,6 +8810,7 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 
 
 
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{frenchb}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -8871,8 +8894,6 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 
 
 
-
-
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{emulateapj}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -8902,8 +8923,6 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 
 
 
-
-
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{aa}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -9135,6 +9154,7 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 
 
 
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{seminar}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -9385,7 +9405,6 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 \endinput\empty\empty\empty\empty\empty\empty
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
                 \ConfigureHinput{th4}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -9611,5 +9630,8 @@ j{01F0}H{021E}h{021F}\i{01D0}\j{01F0}%
 
 
 
+
+
+
 \endinput