Index: asciidoc.conf
===================================================================
--- asciidoc.conf	(revision 53)
+++ asciidoc.conf	(working copy)
@@ -62,9 +62,9 @@
 __=#emphasis
 ++=#monospaced
 \##=#unquoted
-endif::asciidoc7compatible[]
 ^=#superscript
 ~=#subscript
+endif::asciidoc7compatible[]
 
 [specialwords]
 emphasizedwords=
Index: xhtml11.conf
===================================================================
--- xhtml11.conf	(revision 53)
+++ xhtml11.conf	(working copy)
@@ -22,6 +22,12 @@
 \$=\$
 `=\`
 endif::asciimath[]
+ifdef::asciidoc7compatible[]
+# Superscripts.
+\^(.+?)\^=<sup>\1</sup>
+# Subscripts.
+~(.+?)~=<sub>\1</sub>
+endif::asciidoc7compatible[]
 
 [ruler-blockmacro]
 <hr />
Index: docbook.conf
===================================================================
--- docbook.conf	(revision 53)
+++ docbook.conf	(working copy)
@@ -18,6 +18,12 @@
 [replacements]
 # Line break markup is dropped (there is no DocBook line break tag).
 (?m)^(.*)\s\+$=\1
+ifdef::asciidoc7compatible[]
+# Superscripts.
+\^(.+?)\^=<superscript>\1</superscript>
+# Subscripts.
+~(.+?)~=<subscript>\1</subscript>
+endif::asciidoc7compatible[]
 
 [ruler-blockmacro]
 # Only applies to HTML so don't output anything.
Index: html4.conf
===================================================================
--- html4.conf	(revision 53)
+++ html4.conf	(working copy)
@@ -18,6 +18,12 @@
 [replacements]
 # Line break.
 (?m)^(.*)\s\+$=\1<br />
+ifdef::asciidoc7compatible[]
+# Superscripts.
+\^(.+?)\^=<sup>\1</sup>
+# Subscripts.
+~(.+?)~=<sub>\1</sub>
+endif::asciidoc7compatible[]
 
 [ruler-blockmacro]
 <hr />