changes

SumatraPDF是一款小型开源的pdf阅读工具。虽然玲珑小巧（只有800多KB）

Version 0.10 (unreleased)

 * no changes yet

Version 0.9 (2006 July 27)

 * striped page support
 * successfully decodes ubc test streams 042_9, 042_20

Version 0.8 (2005 April 6)

 * Fix an allocation error in the page array
 * properly handle non-OR image composition operators
 * Fix a UMR bug in the compositor
 * successfully decodes ubc test streams 042_12,15,16,17,18
 * various memory leak fixes

Version 0.7 (2004 December 8)

 * properly initialize page buffers
 * refinement region handling
 * successfully decodes ubc test streams 042_21, 042_22 and 042_23
 * generic region template 3 handling with arbitrary AT locations
 * successfully decodes ubc test streams 042_6 and 042_7
 
Version 0.6 (2003 December 31)

 * minor portability fix for cygwin

Version 0.5 (2003 December 4)

 * compiler warning fixes
 * Properly handle the export specification for symbol
   dictionaries.
 * successfully decodes multipage documents from the
   Adobe encoder.

Version 0.4 (released 2003 August 1)

 * redid license header to simplify relabelling for commercial 
   distribution, borrowing from Ghostscript.

Version 0.3 (released 2003 May 20)

 * win32 portability fixes related to ghostscript integration
 * generic mmr region support
 * successfully decodes ubc test stream 042_3

Version 0.2 (released 2003 April 17)

 * portability fixes
 * support for metadata extension segments (latin-1 only)
 * decodes single-page documents from the Adobe encoder
 * various other bugfixes

Version 0.1 (released 2002 August 6)

 * decodes artithmetic and huffman-coded generic regions
    - some templates not working
 * decodes arithmetic symbol dictionaries
 * decodes artithmetic text regions
 * successfully decodes ubc test streams 042_1,2,4,5 and 10.
 * successfully decodes CVision embedded bitstream str-p39
 * regression testing harness based on SHA-1 hashes of known files