pstotext does not work with recent ghostscript versions. Use catdvi instead of dvips+pstotext for dvi, and ps2pdf+pdftotext for postscript

src/filters/rcldvi

@@ -18,10 +18,15 @@
 
 #
 # Extract text from a dvi file by either executing dvitops and
-# pstotext or using catdvi. dvitops has given better results during
-# tests, and is chosen first if available, but the dvitops/pstotext
-# combination is much slower than catdvi set variables. In any case,
-# the program is not too good with special characters (e.g. ligatures)
+# pstotext or using catdvi.
+#
+# pstotext does not work any more with gs 9.22-25, so catdvi is always
+# needed now.
+#    Initially dvitops had given better results during tests, and was
+#    chosen first if available, but the dvitops/pstotext combination
+#    is much slower than catdvi set variables. In any case, the
+#    program is not too good with special characters (e.g. ligatures)
+
 LANG=C ; export LANG
 LC_ALL=C ; export LC_ALL
 progname="rcldvi"
@@ -100,21 +105,27 @@ decoderdvips()
 }
 decodercatdvi()
 {
-    catdvi $1
+    catdvi --output-encoding=UTF-8 $1
 }
 decoder=""
-iscmd dvips
-isdvips=$?
-iscmd pstotext
-ispstotext=$?
-if test $isdvips -eq 0 -a $ispstotext -eq 0; then
-  decoder=decoderdvips
-elif iscmd catdvi ; then
-  decoder=decodercatdvi
-fi
 
+# pstotext does not work any more
+# iscmd dvips
+# isdvips=$?
+# iscmd pstotext
+# ispstotext=$?
+# if test $isdvips -eq 0 -a $ispstotext -eq 0; then
+#   decoder=decoderdvips
+# elif iscmd catdvi ; then
+#   decoder=decodercatdvi
+# fi
+
+if iscmd catdvi ; then
+    decoder=decodercatdvi
+fi
+ 
 if test X$decoder = X ; then
-   senderror HELPERNOTFOUND dvips or catdvi
+   senderror HELPERNOTFOUND catdvi
 fi
 
 # The strange 'BEGIN' setup is to prevent 'file' from thinking this file