diff --git a/tests/testsuite.native b/tests/testsuite.native
index 9df680dcf..3fc3cbfd7 100644
--- a/tests/testsuite.native
+++ b/tests/testsuite.native
@@ -247,6 +247,10 @@ Pandoc (Meta [Str "Pandoc",Space,Str "Test",Space,Str "Suite"] ["John MacFarlane
, Para [Strong [Emph [Str "This",Space,Str "is",Space,Str "strong",Space,Str "and",Space,Str "em",Str "."]]]
, Para [Str "So",Space,Str "is",Space,Strong [Emph [Str "this"]],Space,Str "word",Str "."]
, Para [Str "This",Space,Str "is",Space,Str "code:",Space,Code ">",Str ",",Space,Code "$",Str ",",Space,Code "\\",Str ",",Space,Code "\\$",Str ",",Space,Code "",Str "."]
+, Para [Strikeout [Str "This",Space,Str "is",Space,Emph [Str "strikeout"],Str "."]]
+, Para [Str "Superscripts:",Space,Str "a",Superscript [Str "bc"],Str "d",Space,Str "a",Superscript [Emph [Str "hello"]],Space,Str "a",Superscript [Str "hello",Str " ",Str "there"],Str "."]
+, Para [Str "Subscripts:",Space,Str "H",Subscript [Str "2"],Str "O,",Space,Str "H",Subscript [Str "23"],Str "O,",Space,Str "H",Subscript [Str "many",Str " ",Str "of",Str " ",Str "them"],Str "O",Str "."]
+, Para [Str "These",Space,Str "should",Space,Str "not",Space,Str "be",Space,Str "superscripts",Space,Str "or",Space,Str "subscripts,",Space,Str "because",Space,Str "of",Space,Str "the",Space,Str "unescaped",Space,Str "spaces:",Space,Str "a",Str "^",Str "b",Space,Str "c",Str "^",Str "d,",Space,Str "a",Str "~",Str "b",Space,Str "c",Str "~",Str "d",Str "."]
, HorizontalRule
, Header 1 [Str "Smart",Space,Str "quotes,",Space,Str "ellipses,",Space,Str "dashes"]
, Para [Quoted DoubleQuote [Str "Hello,"],Space,Str "said",Space,Str "the",Space,Str "spider",Str ".",Space,Quoted DoubleQuote [Quoted SingleQuote [Str "Shelob"],Space,Str "is",Space,Str "my",Space,Str "name",Str "."]]
diff --git a/tests/testsuite.txt b/tests/testsuite.txt
index cbe46cf70..af823ff57 100644
--- a/tests/testsuite.txt
+++ b/tests/testsuite.txt
@@ -424,6 +424,15 @@ So is ___this___ word.
This is code: `>`, `$`, `\`, `\$`, ``.
+~~This is *strikeout*.~~
+
+Superscripts: a^bc^d a^*hello*^ a^hello\ there^.
+
+Subscripts: H~2~O, H~23~O, H~many\ of\ them~O.
+
+These should not be superscripts or subscripts,
+because of the unescaped spaces: a^b c^d, a~b c~d.
+
-----
# Smart quotes, ellipses, dashes
diff --git a/tests/writer.context b/tests/writer.context
index cfb26cd65..d4e07fb43 100644
--- a/tests/writer.context
+++ b/tests/writer.context
@@ -503,6 +503,14 @@ So is {\bf {\em this}} word.
This is code: \type{>}, \type{$}, \type{\}, \type{\$}, \type{}.
+\overstrikes{This is {\em strikeout}.}
+
+Superscripts: a\high{bc}d a\high{{\em hello}} a\high{hello there}.
+
+Subscripts: H\low{2}O, H\low{23}O, H\low{many of them}O.
+
+These should not be superscripts or subscripts, because of the unescaped spaces: a\letterhat{}b c\letterhat{}d, a\lettertilde{}b c\lettertilde{}d.
+
\thinrule
\section{Smart quotes, ellipses, dashes}
diff --git a/tests/writer.docbook b/tests/writer.docbook
index e9c425197..7d5b72abd 100644
--- a/tests/writer.docbook
+++ b/tests/writer.docbook
@@ -725,6 +725,22 @@ These should not be escaped: \$ \\ \> \[ \{
\, \$,
<html>.
+
+ This is strikeout.
+
+
+ Superscripts: abcd
+ ahello
+ ahello there.
+
+
+ Subscripts: H2O,
+ H23O, Hmany of themO.
+
+
+ These should not be superscripts or subscripts, because of the
+ unescaped spaces: a^b c^d, a~b c~d.
+
Smart quotes, ellipses, dashes
diff --git a/tests/writer.html b/tests/writer.html
index 10d1c0c4f..fb501fdbf 100644
--- a/tests/writer.html
+++ b/tests/writer.html
@@ -8,7 +8,9 @@
/>Pandoc Test Suite
, <html>
.
This is strikeout.
Superscripts: abcd ahello ahello there.
Subscripts: H2O, H23O, Hmany of themO.
These should not be superscripts or subscripts, because of the unescaped spaces: a^b c^d, a~b c~d.
Smart quotes, ellipses, dashes
!, \verb!$!, \verb!\!, \verb!\$!, \verb!!.
+\sout{This is \emph{strikeout}.}
+
+Superscripts: a\textsuperscript{bc}d a\textsuperscript{\emph{hello}} a\textsuperscript{hello there}.
+
+Subscripts: H\textsubscript{2}O, H\textsubscript{23}O, H\textsubscript{many of them}O.
+
+These should not be superscripts or subscripts, because of the unescaped spaces: a\^{}b c\^{}d, a\ensuremath{\sim}b c\ensuremath{\sim}d.
+
\begin{center}\rule{3in}{0.4pt}\end{center}
\section{Smart quotes, ellipses, dashes}
diff --git a/tests/writer.man b/tests/writer.man
index ae5a371f0..d314f3025 100644
--- a/tests/writer.man
+++ b/tests/writer.man
@@ -490,6 +490,15 @@ So is \f[B]\f[I]this\f[]\f[] word\.
.PP
This is code: \f[B]>\f[], \f[B]$\f[], \f[B]\\\f[], \f[B]\\$\f[],
\f[B]\f[]\.
+.PP
+[STRIKEOUT:This is \f[I]strikeout\f[]\.]
+.PP
+Superscripts: a^bc^d a^\f[I]hello\f[]^ a^hello there^\.
+.PP
+Subscripts: H~2~O, H~23~O, H~many of them~O\.
+.PP
+These should not be superscripts or subscripts, because of the
+unescaped spaces: a^b c^d, a~b c~d\.
.PP
* * * * *
.SH Smart quotes, ellipses, dashes
diff --git a/tests/writer.markdown b/tests/writer.markdown
index 97c0ab229..e66514549 100644
--- a/tests/writer.markdown
+++ b/tests/writer.markdown
@@ -435,6 +435,15 @@ So is ***this*** word.
This is code: `>`, `$`, `\`, `\$`, ``.
+~~This is *strikeout*.~~
+
+Superscripts: a^bc^d a^*hello*^ a^hello\ there^.
+
+Subscripts: H~2~O, H~23~O, H~many\ of\ them~O.
+
+These should not be superscripts or subscripts, because of the
+unescaped spaces: a\^b c\^d, a\~b c\~d.
+
* * * * *
diff --git a/tests/writer.native b/tests/writer.native
index 9df680dcf..3fc3cbfd7 100644
--- a/tests/writer.native
+++ b/tests/writer.native
@@ -247,6 +247,10 @@ Pandoc (Meta [Str "Pandoc",Space,Str "Test",Space,Str "Suite"] ["John MacFarlane
, Para [Strong [Emph [Str "This",Space,Str "is",Space,Str "strong",Space,Str "and",Space,Str "em",Str "."]]]
, Para [Str "So",Space,Str "is",Space,Strong [Emph [Str "this"]],Space,Str "word",Str "."]
, Para [Str "This",Space,Str "is",Space,Str "code:",Space,Code ">",Str ",",Space,Code "$",Str ",",Space,Code "\\",Str ",",Space,Code "\\$",Str ",",Space,Code "",Str "."]
+, Para [Strikeout [Str "This",Space,Str "is",Space,Emph [Str "strikeout"],Str "."]]
+, Para [Str "Superscripts:",Space,Str "a",Superscript [Str "bc"],Str "d",Space,Str "a",Superscript [Emph [Str "hello"]],Space,Str "a",Superscript [Str "hello",Str " ",Str "there"],Str "."]
+, Para [Str "Subscripts:",Space,Str "H",Subscript [Str "2"],Str "O,",Space,Str "H",Subscript [Str "23"],Str "O,",Space,Str "H",Subscript [Str "many",Str " ",Str "of",Str " ",Str "them"],Str "O",Str "."]
+, Para [Str "These",Space,Str "should",Space,Str "not",Space,Str "be",Space,Str "superscripts",Space,Str "or",Space,Str "subscripts,",Space,Str "because",Space,Str "of",Space,Str "the",Space,Str "unescaped",Space,Str "spaces:",Space,Str "a",Str "^",Str "b",Space,Str "c",Str "^",Str "d,",Space,Str "a",Str "~",Str "b",Space,Str "c",Str "~",Str "d",Str "."]
, HorizontalRule
, Header 1 [Str "Smart",Space,Str "quotes,",Space,Str "ellipses,",Space,Str "dashes"]
, Para [Quoted DoubleQuote [Str "Hello,"],Space,Str "said",Space,Str "the",Space,Str "spider",Str ".",Space,Quoted DoubleQuote [Quoted SingleQuote [Str "Shelob"],Space,Str "is",Space,Str "my",Space,Str "name",Str "."]]
diff --git a/tests/writer.rst b/tests/writer.rst
index db6332047..9d9938eaa 100644
--- a/tests/writer.rst
+++ b/tests/writer.rst
@@ -534,6 +534,17 @@ So is ***this*** word.
This is code: ``>``, ``$``, ``\``, ``\$``, ````.
+[STRIKEOUT:This is *strikeout*.]
+
+Superscripts: a\ :sup:`bc`\ d a\ :sup:`*hello*`\
+a\ :sup:`hello there`\ .
+
+Subscripts: H\ :sub:`2`\ O, H\ :sub:`23`\ O,
+H\ :sub:`many of them`\ O.
+
+These should not be superscripts or subscripts, because of the
+unescaped spaces: a^b c^d, a~b c~d.
+
--------------
Smart quotes, ellipses, dashes
diff --git a/tests/writer.rtf b/tests/writer.rtf
index 4b6f184f4..65ca0ce6c 100644
--- a/tests/writer.rtf
+++ b/tests/writer.rtf
@@ -211,6 +211,10 @@ emphasized link
{\pard \ql \f0 \sa180 \li0 \fi0 {\b {\i This is strong and em.} } \par}
{\pard \ql \f0 \sa180 \li0 \fi0 So is {\b {\i this} } word.\par}
{\pard \ql \f0 \sa180 \li0 \fi0 This is code: {\f1 >} , {\f1 $} , {\f1 \\} , {\f1 \\$} , {\f1 } .\par}
+{\pard \ql \f0 \sa180 \li0 \fi0 {\strike This is {\i strikeout} .} \par}
+{\pard \ql \f0 \sa180 \li0 \fi0 Superscripts: a{\super bc} d a{\super {\i hello} } a{\super hello there} .\par}
+{\pard \ql \f0 \sa180 \li0 \fi0 Subscripts: H{\sub 2} O, H{\sub 23} O, H{\sub many of them} O.\par}
+{\pard \ql \f0 \sa180 \li0 \fi0 These should not be superscripts or subscripts, because of the unescaped spaces: a^b c^d, a~b c~d.\par}
{\pard \qc \f0 \sa180 \li0 \fi0 \emdash\emdash\emdash\emdash\emdash\par}
{\pard \ql \f0 \sa180 \li0 \fi0 \b \fs36 Smart quotes, ellipses, dashes\par}
{\pard \ql \f0 \sa180 \li0 \fi0 \u8220"Hello,\u8221" said the spider. \u8220"\u8216'Shelob\u8217' is my name.\u8221"\par}