Fix escaping with surrounds

When we assigned stop = strstr(start, search), we'd grab the first
match even if it was escaped. Instead, we update stop as we go.

1 files changed, 2 insertions, 0 deletions

diff --git a/testdoc b/testdoc
index 523d7d6..014c05b 100644
--- a/testdoc
+++ b/testdoc
@@ -7,6 +7,8 @@ simple tests
 first paragraph.
 testing surround: _emph_ then **strong** and `code`.
 
+`\`escaped backticks\``.
+
 `x = *y * 6;`
 
 horizontal rule: