Chrome needs some help selecting page breaks too.

Firefox seems to be able to select them without problems.  I don't
have IE to test with.
Anchors have to be inline-blocks in order to be draggable.
Added changelog entry.
Merge branch 't/11140b'
Use unitless line-heights.
Use unitless line-height for samples styling.
Added changelog entry.
Merge branch 't/11379'
Added divarea developers samples for image2, mathjax and placeholder.
Merge branch 't/11134'
Cancel blur when moving selection to pasteBin in Firefox.
Changelog entry.
Merge branch 't/10787b'
Disabled showblocks styles for widget wrapper.
Shortened Showblocks plugin with generated CSS.
Limit Showblocks styles to editable elements only.
Prevent showblocks application using :not(), what saves us from using CSS reset.
Saved few bytes by CSS compression.
Strict mode will tell you the truth.
Changelog entry.