diff --unified --recursive --text package.orig/ocp/configure package.new/ocp/configure
--- package.orig/ocp/configure	2020-04-19 14:55:17.089021923 +0300
+++ package.new/ocp/configure	2020-04-19 14:58:43.770238001 +0300
@@ -9818,15 +9818,15 @@
   prefix=$prefix_save
   exec_prefix=$exec_prefix_save

-	as_ac_File=`$as_echo "ac_cv_file_$UNIFONTDIR/unifont.ttf" | $as_tr_sh`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $UNIFONTDIR/unifont.ttf" >&5
-$as_echo_n "checking for $UNIFONTDIR/unifont.ttf... " >&6; }
+	as_ac_File=`$as_echo "ac_cv_file_$UNIFONTDIR/Unifont.ttf" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $UNIFONTDIR/Unifont.ttf" >&5
+$as_echo_n "checking for $UNIFONTDIR/Unifont.ttf... " >&6; }
 if eval \${$as_ac_File+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   test "$cross_compiling" = yes &&
   as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
-if test -r "$UNIFONTDIR/unifont.ttf"; then
+if test -r "$UNIFONTDIR/Unifont.ttf"; then
   eval "$as_ac_File=yes"
 else
   eval "$as_ac_File=no"
@@ -9838,18 +9838,18 @@
 if eval test \"x\$"$as_ac_File"\" = x"yes"; then :

 else
-  as_fn_error $? "$UNIFONTDIR/unifont.ttf not found - please use --with-unifontdir=/path/ (needed by SDL2)" "$LINENO" 5
+  as_fn_error $? "$UNIFONTDIR/Unifont.ttf not found - please use --with-unifontdir=/path/ (needed by SDL2)" "$LINENO" 5
 fi

-	as_ac_File=`$as_echo "ac_cv_file_$UNIFONTDIR/unifont_csur.ttf" | $as_tr_sh`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $UNIFONTDIR/unifont_csur.ttf" >&5
-$as_echo_n "checking for $UNIFONTDIR/unifont_csur.ttf... " >&6; }
+	as_ac_File=`$as_echo "ac_cv_file_$UNIFONTDIR/Unifont_CSUR.ttf" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $UNIFONTDIR/Unifont_CSUR.ttf" >&5
+$as_echo_n "checking for $UNIFONTDIR/Unifont_CSUR.ttf... " >&6; }
 if eval \${$as_ac_File+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   test "$cross_compiling" = yes &&
   as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
-if test -r "$UNIFONTDIR/unifont_csur.ttf"; then
+if test -r "$UNIFONTDIR/Unifont_CSUR.ttf"; then
   eval "$as_ac_File=yes"
 else
   eval "$as_ac_File=no"
@@ -9861,18 +9861,18 @@
 if eval test \"x\$"$as_ac_File"\" = x"yes"; then :

 else
-  as_fn_error $? "$UNIFONTDIR/unifont_csur.ttf not found - please use --with-unifontdir=/path/ (needed by SDL2)" "$LINENO" 5
+  as_fn_error $? "$UNIFONTDIR/Unifont_CSUR.ttf not found - please use --with-unifontdir=/path/ (needed by SDL2)" "$LINENO" 5
 fi

-	as_ac_File=`$as_echo "ac_cv_file_$UNIFONTDIR/unifont_upper.ttf" | $as_tr_sh`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $UNIFONTDIR/unifont_upper.ttf" >&5
-$as_echo_n "checking for $UNIFONTDIR/unifont_upper.ttf... " >&6; }
+	as_ac_File=`$as_echo "ac_cv_file_$UNIFONTDIR/Unifont_Upper.ttf" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $UNIFONTDIR/Unifont_Upper.ttf" >&5
+$as_echo_n "checking for $UNIFONTDIR/Unifont_Upper.ttf... " >&6; }
 if eval \${$as_ac_File+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   test "$cross_compiling" = yes &&
   as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
-if test -r "$UNIFONTDIR/unifont_upper.ttf"; then
+if test -r "$UNIFONTDIR/Unifont_Upper.ttf"; then
   eval "$as_ac_File=yes"
 else
   eval "$as_ac_File=no"
@@ -9884,7 +9884,7 @@
 if eval test \"x\$"$as_ac_File"\" = x"yes"; then :

 else
-  as_fn_error $? "$UNIFONTDIR/unifont_upper.ttf not found - please use --with-unifontdir=/path/ (needed by SDL2)" "$LINENO" 5
+  as_fn_error $? "$UNIFONTDIR/Unifont_Upper.ttf not found - please use --with-unifontdir=/path/ (needed by SDL2)" "$LINENO" 5
 fi

 	cat >>confdefs.h <<_ACEOF
diff --unified --recursive --text package.orig/ocp/configure.ac package.new/ocp/configure.ac
--- package.orig/ocp/configure.ac	2020-04-19 14:55:17.089021923 +0300
+++ package.new/ocp/configure.ac	2020-04-19 14:59:06.190369996 +0300
@@ -557,9 +557,9 @@

 dnl locate the ttf-unifont
 	AS_AC_EXPAND(UNIFONTDIR, $with_unifontdir)
-	AC_CHECK_FILE($UNIFONTDIR/unifont.ttf, , AC_MSG_ERROR([$UNIFONTDIR/unifont.ttf not found - please use --with-unifontdir=/path/ (needed by SDL2)]))
-	AC_CHECK_FILE($UNIFONTDIR/unifont_csur.ttf, , AC_MSG_ERROR([$UNIFONTDIR/unifont_csur.ttf not found - please use --with-unifontdir=/path/ (needed by SDL2)]))
-	AC_CHECK_FILE($UNIFONTDIR/unifont_upper.ttf, , AC_MSG_ERROR([$UNIFONTDIR/unifont_upper.ttf not found - please use --with-unifontdir=/path/ (needed by SDL2)]))
+	AC_CHECK_FILE($UNIFONTDIR/Unifont.ttf, , AC_MSG_ERROR([$UNIFONTDIR/Unifont.ttf not found - please use --with-unifontdir=/path/ (needed by SDL2)]))
+	AC_CHECK_FILE($UNIFONTDIR/Unifont_CSUR.ttf, , AC_MSG_ERROR([$UNIFONTDIR/Unifont_CSUR.ttf not found - please use --with-unifontdir=/path/ (needed by SDL2)]))
+	AC_CHECK_FILE($UNIFONTDIR/Unifont_Upper.ttf, , AC_MSG_ERROR([$UNIFONTDIR/Unifont_Upper.ttf not found - please use --with-unifontdir=/path/ (needed by SDL2)]))
 	AC_DEFINE_UNQUOTED(UNIFONTDIR, "$UNIFONTDIR")
 fi

diff --unified --recursive --text package.orig/ocp/stuff/poutput-fontengine.c package.new/ocp/stuff/poutput-fontengine.c
--- package.orig/ocp/stuff/poutput-fontengine.c	2020-04-19 14:55:17.159022335 +0300
+++ package.new/ocp/stuff/poutput-fontengine.c	2020-04-19 14:59:31.597186245 +0300
@@ -393,22 +393,22 @@
 		return 1;
 	}

-	unifont_bmp = TTF_OpenFontFilename(UNIFONTDIR "/unifont.ttf", 16, 0, 0, 0);
+	unifont_bmp = TTF_OpenFontFilename(UNIFONTDIR "/Unifont.ttf", 16, 0, 0, 0);
 	if (!unifont_bmp)
 	{
-		fprintf (stderr, "TTF_OpenFont(\"" UNIFONTDIR "/unifont.ttf\") failed: %s\n", TTF_GetError());
+		fprintf (stderr, "TTF_OpenFont(\"" UNIFONTDIR "/Unifont.ttf\") failed: %s\n", TTF_GetError());
 		TTF_ClearError();
 	}
-	unifont_csur = TTF_OpenFontFilename(UNIFONTDIR "/unifont_csur.ttf", 16, 0, 0, 0);
+	unifont_csur = TTF_OpenFontFilename(UNIFONTDIR "/Unifont_CSUR.ttf", 16, 0, 0, 0);
 	if (!unifont_csur)
 	{
-		fprintf (stderr, "TTF_OpenFont(\"" UNIFONTDIR "/unifont_csur.ttf\") failed: %s\n", TTF_GetError());
+		fprintf (stderr, "TTF_OpenFont(\"" UNIFONTDIR "/Unifont_CSUR.ttf\") failed: %s\n", TTF_GetError());
 		TTF_ClearError();
 	}
-	unifont_upper = TTF_OpenFontFilename(UNIFONTDIR "/unifont_upper.ttf", 16, 0, 0, 0);
+	unifont_upper = TTF_OpenFontFilename(UNIFONTDIR "/Unifont_Upper.ttf", 16, 0, 0, 0);
 	if (!unifont_upper)
 	{
-		fprintf (stderr, "TTF_OpenFont(\"" UNIFONTDIR "/unifont_upper.ttf\") failed: %s\n", TTF_GetError());
+		fprintf (stderr, "TTF_OpenFont(\"" UNIFONTDIR "/Unifont_Upper.ttf\") failed: %s\n", TTF_GetError());
 		TTF_ClearError();
 	}