Changed
- DRY fix in 
abbrextension by introducing methodcreate_element(#1483). - Clean up test directory by removing some redundant tests and port
non-redundant cases to the newer test framework. - Improved performance of the raw HTML post-processor (#1510).
 
Fixed
- Backslash Unescape IDs set via 
attr_listontoc(#1493). - Ensure 
md_in_htmlprocesses content inside "markdown" blocks as they are
parsed outside of "markdown" blocks to keep things more consistent for
third-party extensions (#1503). md_in_htmlhandle tags within inline code blocks better (#1075).md_in_htmlfix handling of one-liner block HTML handling (#1074).- Ensure 
<center>is treated like a block-level element (#1481). - Ensure that 
abbrextension respectsAtomicStringand does not process
perceived abbreviations in these strings (#1512). - Ensure 
smartyextension correctly renders nested closing quotes (#1514).