Merge pull request #2 from rfrank/develop

resync Develop
Make h1-h3 css overridable through .de statements
bugfix: lang spec inside link
bugfix: .nr handling error
Merge pull request #22 from davem2/bugfix-h1h2h3-css-override

Make h1-h3 css overridable through .de statements
release 3.33
Merge remote-tracking branch 'upstream/develop' into develop
Don't scan literal blocks (.li ... .li-) for HTML lang specifications.
Merge pull request #28 from wf49670/develop

Develop
bugfix: .sp pvs into .hr and .tb
bugfix: optimized .sp pvs into .hr and .tb
bugfix: LANG attribute
LANG -> lang attribute fix
version 3.34