diff -pruN paps-0.6.8.orig/acinclude.m4 paps-0.6.8/acinclude.m4
--- paps-0.6.8.orig/acinclude.m4	2006-11-29 05:11:50.000000000 +0900
+++ paps-0.6.8/acinclude.m4	2008-05-16 20:36:03.000000000 +0900
@@ -76,9 +76,9 @@ AC_DEFUN([DX_IF_FEATURE], [ifelse(DX_FEA
 # Require the specified program to be found for the DX_CURRENT_FEATURE to work.
 AC_DEFUN([DX_REQUIRE_PROG], [
 AC_PATH_TOOL([$1], [$2])
-if test "$DX_FLAG_[]DX_CURRENT_FEATURE$$1" = 1; then
+if test "$DX_FLAG_DX_CURRENT_FEATURE$$1" = 1; then
     AC_MSG_WARN([$2 not found - will not DX_CURRENT_DESCRIPTION])
-    AC_SUBST([DX_FLAG_[]DX_CURRENT_FEATURE], 0)
+    AC_SUBST([DX_FLAG_DX_CURRENT_FEATURE], 0)
 fi
 ])
 
@@ -101,7 +101,7 @@ test "$DX_FLAG_$1" = "$2" \
 # ----------------------------------------------------------
 # Turn off the DX_CURRENT_FEATURE if the required feature is off.
 AC_DEFUN([DX_CLEAR_DEPEND], [
-test "$DX_FLAG_$1" = "$2" || AC_SUBST([DX_FLAG_[]DX_CURRENT_FEATURE], 0)
+test "$DX_FLAG_$1" = "$2" || AC_SUBST([DX_FLAG_DX_CURRENT_FEATURE], 0)
 ])
 
 # DX_FEATURE_ARG(FEATURE, DESCRIPTION,