Bump version number.

git-svn-id: https://svn.boost.org/svn/boost/trunk/tools/quickbook@83115 b8fc166d-592f-0410-95f2-cb63ce0dd405
Convert to use boost::string_ref

git-svn-id: https://svn.boost.org/svn/boost/trunk/tools/quickbook@83116 b8fc166d-592f-0410-95f2-cb63ce0dd405
Source map tests.

git-svn-id: https://svn.boost.org/svn/boost/trunk/tools/quickbook@83117 b8fc166d-592f-0410-95f2-cb63ce0dd405
Store indentation change in source map.

Used to infer it when required, which could go wrong.

git-svn-id: https://svn.boost.org/svn/boost/trunk/tools/quickbook@83118 b8fc166d-592f-0410-95f2-cb63ce0dd405
Fix `to_original_pos` for indented blocks.

git-svn-id: https://svn.boost.org/svn/boost/trunk/tools/quickbook@83119 b8fc166d-592f-0410-95f2-cb63ce0dd405
Clean up poorly overloaded 'add' method.

git-svn-id: https://svn.boost.org/svn/boost/trunk/tools/quickbook@83120 b8fc166d-592f-0410-95f2-cb63ce0dd405
Extract duplicated find_section code.

git-svn-id: https://svn.boost.org/svn/boost/trunk/tools/quickbook@83121 b8fc166d-592f-0410-95f2-cb63ce0dd405
Fix mapped position when breaking up indented code.

git-svn-id: https://svn.boost.org/svn/boost/trunk/tools/quickbook@83122 b8fc166d-592f-0410-95f2-cb63ce0dd405
Remove whitespace only leading lines from indented blocks.

git-svn-id: https://svn.boost.org/svn/boost/trunk/tools/quickbook@83123 b8fc166d-592f-0410-95f2-cb63ce0dd405
Move dependency tracking into a separate class.

git-svn-id: https://svn.boost.org/svn/boost/trunk/tools/quickbook@83124 b8fc166d-592f-0410-95f2-cb63ce0dd405
Split path normalization from 'add_dependency'.

git-svn-id: https://svn.boost.org/svn/boost/trunk/tools/quickbook@83125 b8fc166d-592f-0410-95f2-cb63ce0dd405