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[robelcik <address@hidden>]

hello,

i have some problems with word-moving in justified text.

1) in some cases '+' and '-' are unary operators, but they are threaten as 
the binary ones and the operand is moved to the next line:
   blah blahblah blah (0, +
   infinity) blah ...
what should i do to get the justificaton like this:
   blah  blahblah  blah (0,
   +infinity) blah ...

2) in polish, some words, which cosists of one letter only, shouldn't 
appear at the end of the line:
   blah blahblah blahblah z
   blah blahblahblah blah a
   blahblah blah ...
the right appearance is:
   blah  blahblah  blahblah
   z blah blahblahblah blah
   a blahblah blah ...
and how can i get it


thanks in advance
robelcik