From 9e9d45a9ed8a9ce4dd45532064a4c9b7ee01e32f Mon Sep 17 00:00:00 2001
From: "Fletcher T. Penney" <fletcher@fletcherpenney.net>
Date: Wed, 10 Jan 2018 11:38:30 -0500
Subject: [PATCH] FIXED: Fix edge case with superscripts and punctuation

---
 Sources/libMultiMarkdown/mmd.c    |  2 +-
 tests/MMD6Tests/Superscript.fodt  | 10 ++++++++++
 tests/MMD6Tests/Superscript.html  | 10 ++++++++++
 tests/MMD6Tests/Superscript.htmlc | 10 ++++++++++
 tests/MMD6Tests/Superscript.tex   | 10 ++++++++++
 tests/MMD6Tests/Superscript.text  | 10 ++++++++++
 6 files changed, 51 insertions(+), 1 deletion(-)

diff --git a/Sources/libMultiMarkdown/mmd.c b/Sources/libMultiMarkdown/mmd.c
index f811a60..ece12f1 100644
--- a/Sources/libMultiMarkdown/mmd.c
+++ b/Sources/libMultiMarkdown/mmd.c
@@ -1576,7 +1576,7 @@ void mmd_assign_ambidextrous_tokens_in_block(mmd_engine * e, token * block, size
 
 				offset = t->start + t->len;
 
-				if (char_is_whitespace_or_line_ending_or_punctuation(str[offset])) {
+				if (char_is_whitespace_or_line_ending(str[offset])) {
 					t->can_open = 0;
 				}
 
diff --git a/tests/MMD6Tests/Superscript.fodt b/tests/MMD6Tests/Superscript.fodt
index c14c354..bee2b75 100644
--- a/tests/MMD6Tests/Superscript.fodt
+++ b/tests/MMD6Tests/Superscript.fodt
@@ -335,6 +335,16 @@ office:mimetype="application/vnd.oasis.opendocument.text">
 <text:p text:style-name="Standard"><text:span text:style-name="MMD-Subscript">t</text:span>p<text:span text:style-name="MMD-Subscript">x</text:span></text:p>
 
 <text:p text:style-name="Standard"><text:span text:style-name="MMD-Superscript">23</text:span>Na<text:span text:style-name="MMD-Superscript">1+</text:span></text:p>
+
+<text:p text:style-name="Standard">25</text:p>
+
+<text:p text:style-name="Standard">Na<text:span text:style-name="MMD-Superscript">1</text:span>+</text:p>
+
+<text:p text:style-name="Standard">Na<text:span text:style-name="MMD-Superscript">1+</text:span></text:p>
+
+<text:p text:style-name="Standard">Na^+</text:p>
+
+<text:p text:style-name="Standard">Na<text:span text:style-name="MMD-Superscript">+</text:span></text:p>
 </office:text>
 </office:body>
 </office:document>
diff --git a/tests/MMD6Tests/Superscript.html b/tests/MMD6Tests/Superscript.html
index 9bd378e..2302bd4 100644
--- a/tests/MMD6Tests/Superscript.html
+++ b/tests/MMD6Tests/Superscript.html
@@ -64,6 +64,16 @@
 
 <p><sup>23</sup>Na<sup>1+</sup></p>
 
+<p>25</p>
+
+<p>Na<sup>1</sup>+</p>
+
+<p>Na<sup>1+</sup></p>
+
+<p>Na^+</p>
+
+<p>Na<sup>+</sup></p>
+
 </body>
 </html>
 
diff --git a/tests/MMD6Tests/Superscript.htmlc b/tests/MMD6Tests/Superscript.htmlc
index 638639b..64eebf0 100644
--- a/tests/MMD6Tests/Superscript.htmlc
+++ b/tests/MMD6Tests/Superscript.htmlc
@@ -58,3 +58,13 @@ latex config:	article</p>
 <p>~t~p~x~</p>
 
 <p>^23^Na^1+^</p>
+
+<p>25</p>
+
+<p>Na^1+</p>
+
+<p>Na^1+^</p>
+
+<p>Na^+</p>
+
+<p>Na^+^</p>
diff --git a/tests/MMD6Tests/Superscript.tex b/tests/MMD6Tests/Superscript.tex
index ba41970..f8c0606 100644
--- a/tests/MMD6Tests/Superscript.tex
+++ b/tests/MMD6Tests/Superscript.tex
@@ -60,5 +60,15 @@ Ca\textsuperscript{2+}
 
 \textsuperscript{23}Na\textsuperscript{1+}
 
+25
+
+Na\textsuperscript{1}+
+
+Na\textsuperscript{1+}
+
+Na\^{}+
+
+Na\textsuperscript{+}
+
 \input{mmd6-article-footer}
 \end{document}
diff --git a/tests/MMD6Tests/Superscript.text b/tests/MMD6Tests/Superscript.text
index fc6d77e..7282b91 100644
--- a/tests/MMD6Tests/Superscript.text
+++ b/tests/MMD6Tests/Superscript.text
@@ -58,3 +58,13 @@ CH~3~CH~2~CH~2~CH~3
  ~t~p~x~
 
  ^23^Na^1+^
+
+25
+
+Na^1+
+
+Na^1+^
+
+Na^+
+
+Na^+^
-- 
2.50.1