the notation for verbatim blocks may be usable now
Merge branch 'develop' into 2html

verbatim blocks may be properly rendered.
supported the automatical link generation for urls, except for verbatim blocks
fixed the bug of the previous commit
supported the automatical link generation for urls in verbatim blocks
Merge branch 'develop' into 2html

the automatical link generation is supported.
update samples to reflect improvements in support for Preformatted text and Linking