[Bug 580961] Re: unzip fails to deal correctly with filename encodings

2015-11-25 Thread Yuan Chao
Wouldn't it be better to patch file-roller to support encoding settings?
Otherwise it still breaks if you get zipped file with different encoding
from the default.

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Title:
  unzip fails to deal correctly with filename encodings

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[Bug 451613] Re: all disks and partitions are automounted in the live session

2012-11-27 Thread Yuan Chao
On 12.10, the live session also mounts all my harddisk partitions. (disk
icons show up on the unity left panel) As the ext4 partitions are still
mounted in a hibernated session, the mounting caused file system error
after resuming and failed to boot. (recover mode fails too) I would
suggest that this kind of behavior in live session should be done in
read only mode if it's really needed. Same for hibernated windows
partitions.

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Title:
  all disks and partitions are automounted in the live session

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[Bug 209145] Re: Evince couldnot display chinese pdf files

2011-04-14 Thread Yuan Chao
Let me add some supplements:
* bytecode interpreter (BCI) in FreeType (FT) used to have sw patent issue so 
disabled by default
* Now the patent is expired so enabled by default since FT 2.4  
(http://www.freetype.org/patents.html)
* BCI is used for hinting (grid fitting) to display creep glyphs
* auto-hint/autofit is a walk-around to fine tune on rendering to have similar 
result to native hint (hint w/ BCI)
* Tricky fonts use BCI instructions to place (re-use) radical strokes to save 
space
  (instead of each time outlining the whole glyph)
* Tricky fonts are unfortunately widely used in official and educational 
documents for they are shipped w/ windows.
* autohint/autofit can't invent the position/scaling info for tricky fonts 
and results in broken glyphs.
   (sorry it's hard to tell if you don't understand chinese characters as all 
strokes are there, just in wrong position)
* autohint/autofit is exclusive to BCI hinting and must be disabled for tricky 
fonts.
* libpoppler needs to be compiled against FT with BCI enabled to be able to 
render tricky fonts correctly.
   (it's then a distro issue instead of individual packages)

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Title:
  Evince couldnot display chinese pdf files

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