Merge branch 'master' of git://github.com/slavapestov/factor into fast-sets

diff --cc core/sets/sets-tests.factor
index f78fdb069404a73d652c94afa1fea40cf7153abd,899a43af4f7299ab0363c0cd824f3bd2afb5c0d9..df6185671c098c015e28d54f0e530b6c8159b586
--- 1/core/sets/sets-tests.factor
--- 2/core/sets/sets-tests.factor
+++ b/core/sets/sets-tests.factor
@@@ -3,19 -3,15 +3,19 @@@
  USING: sets tools.test kernel prettyprint hash-sets sorting ;
  IN: sets.tests
  
- [ { } ] [ { } { } intersect  ] unit-test
+ [ { } ] [ { } { } intersect ] unit-test
  [ { 2 3 } ] [ { 1 2 3 } { 2 3 4 } intersect ] unit-test
 +[ { 2 3 } ] [ { 1 2 3 } { 2 3 4 5 } intersect ] unit-test
 +[ { 2 3 4 } ] [ { 1 2 3 4 } { 2 3 4 } intersect ] unit-test
  [ { 2 3 } ] [ { 1 2 2 3 } { 2 3 3 4 } intersect ] unit-test
  
  [ { } ] [ { } { } diff ] unit-test
  [ { 1 } ] [ { 1 2 3 } { 2 3 4 } diff ] unit-test
 +[ { 1 } ] [ { 1 2 3 } { 2 3 4 5 } diff ] unit-test
 +[ { 1 } ] [ { 1 2 3 4 } { 2 3 4 } diff ] unit-test
  [ { 1 } ] [ { 1 1 2 3 } { 2 3 4 4 } diff ] unit-test
  
- [ { } ] [ { } { } within  ] unit-test
+ [ { } ] [ { } { } within ] unit-test
  [ { 2 3 } ] [ { 1 2 3 } { 2 3 4 } within ] unit-test
  [ { 2 2 3 } ] [ { 1 2 2 3 } { 2 3 3 4 } within ] unit-test