1
These should all get escaped:
37
These should not, because they occur within a code block:
72
Nor should these, which occur in code spans:
107
These should get escaped, even though they're matching pairs for
108
other Markdown constructs:
116
This is a code span with a literal backslash-backtick sequence: `` \` ``
118
This is a tag with unescaped backticks <span attr='`ticks`'>bar</span>.
120
This is a tag with backslashes <span attr='\\backslashes\\'>bar</span>.