Fix Pedantic

src/rules.js

@@ -229,7 +229,7 @@ inline.normal = merge({}, inline);
 
 inline.pedantic = merge({}, inline.normal, {
   strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
-  em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/,
+  em: /^()\*(?=\S)([\s\S]*?\S)\*(?!\*)|^_(?=\S)([\s\S]*?\S)_(?!_)/,
   link: edit(/^!?\[(label)\]\((.*?)\)/)
     .replace('label', inline._label)
     .getRegex(),

test/specs/run-spec.js

@@ -53,3 +53,5 @@ runSpecs('Original', './original', false, { gfm: false, pedantic: true });
 runSpecs('New', './new');
 runSpecs('ReDOS', './redos');
 runSpecs('Security', './security', false, { silent: true }); // silent - do not show deprecation warning
+
+//runSpecs('Whats', './whats');

test/specs/what/em_left_square_bracket.html

@@ -0,0 +1,4 @@
+<p>[<em>[punctuation, asterisk, punctuation should work</em></p>
+<p><em>[space, asterisk, punctuation should work</em></p>
+<p>p<em>non-punctuation, asterisk, non-punctuation should work</em></p>
+<p>p*[non-punctuation, asterisk, punctuation should NOT work*</p>

test/specs/what/em_left_square_bracket.md

@@ -0,0 +1,10 @@
+[*[punctuation, asterisk, punctuation should work*
+
+
+ *[space, asterisk, punctuation should work*
+
+
+p*non-punctuation, asterisk, non-punctuation should work*
+
+
+p*[non-punctuation, asterisk, punctuation should NOT work*

test/specs/what/em_left_square_bracket0.html

@@ -0,0 +1 @@
+<p><em>foo <em>bar</em></em></p>

test/specs/what/em_left_square_bracket0.md

@@ -0,0 +1 @@
+*foo *bar** 

test/specs/what/em_left_square_bracket00.html

@@ -0,0 +1 @@
+<p><em>foo <strong>bar</strong> baz</em></p>

test/specs/what/em_left_square_bracket00.md

@@ -0,0 +1 @@
+*foo **bar** baz*

test/specs/what/em_left_square_bracket000.html

@@ -0,0 +1 @@
+<p>foo <em>_</em></p>

test/specs/what/em_left_square_bracket0000.html

@@ -0,0 +1 @@
+<p><em>(<strong>foo</strong>)</em></p>

test/specs/what/em_left_square_bracket0000.md

@@ -0,0 +1 @@
+*(**foo**)*

test/specs/whats/strong_and_em_together.html

@@ -0,0 +1,7 @@
+<p><strong><em>This is strong and em.</em></strong></p>
+
+<p>So is <strong><em>this</em></strong> word.</p>
+
+<p><strong><em>This is strong and em.</em></strong></p>
+
+<p>So is <strong><em>this</em></strong> word.</p>

test/specs/whats/strong_and_em_together.md

@@ -0,0 +1,7 @@
+***This is strong and em.***
+
+So is ***this*** word.
+
+___This is strong and em.___
+
+So is ___this___ word.