Multiple pairs of single quotes fix

Author: Jan Jedrychowski

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+* Multiple single quote pairs are parsed correctly.
+
+  Fix issue [#549](https://github.com/vmg/redcarpet/issues/549).
+
 * Table headers don't require a minimum of three dashes anymore; a
   single one can be used for each row.
 

ext/redcarpet/html_smartypants.c

@@ -151,6 +151,9 @@ smartypants_squote(struct buf *ob, struct smartypants_data *smrt, uint8_t previo
 				return next_squote_len;
 		}
 
+		if (smartypants_quotes(ob, previous_char, size > 0 ? text[1] : 0, 's', &smrt->in_squote))
+			return 0;
+
 		// trailing single quotes: students', tryin'
 		if (word_boundary(t1)) {
 			BUFPUTSL(ob, "’");
@@ -178,9 +181,6 @@ smartypants_squote(struct buf *ob, struct smartypants_data *smrt, uint8_t previo
 		}
 	}
 
-	if (smartypants_quotes(ob, previous_char, size > 0 ? text[1] : 0, 's', &smrt->in_squote))
-		return 0;
-
 	bufput(ob, squote_text, squote_size);
 	return 0;
 }

test/smarty_pants_test.rb

@@ -50,4 +50,9 @@ def test_that_is_not_confused_by_fractions
     rd = @pants.render('I am 1/4... of the way to 1/4/2000')
     assert_equal "I am ¼… of the way to 1/4/2000", rd
   end
+
+  def test_that_smart_converts_multiple_single_quotes
+    rd = @pants.render(%(<p>'First' and 'second' and 'third'</p>))
+    assert_equal %(<p>&lsquo;First&rsquo; and &lsquo;second&rsquo; and &lsquo;third&rsquo;</p>), rd
+  end
 end