diff --git a/src/testdir/test57.in b/src/testdir/test57.in
index 7e70169..d74af57 100644
--- a/src/testdir/test57.in
+++ b/src/testdir/test57.in
@@ -3,50 +3,494 @@
 STARTTEST
 :so small.vim
 :"
-:/^t1:/+1,/^t2/-1sort
-:/^t2:/+1,/^t3/-1sort u
-:/^t3:/+1,/^t4/-1sort u /[^:]*:/
-:/^t4:/+1,/^t5/-1sort n
-:/^t5:/+1,/^t6/-1sort n -[^:]*:-
-:/^t6:/+1,/^t7/-1sort o
-:/^t7:/+1,/^t8/-1sort x ,.*/,
-:/^t8:/+1,/^t9/-1sort n o
-:/^t1:/,$wq! test.out
+:/^t01:/+1,/^t02/-1sort
+:/^t02:/+1,/^t03/-1sort n
+:/^t03:/+1,/^t04/-1sort x
+:/^t04:/+1,/^t05/-1sort u
+:/^t05:/+1,/^t06/-1sort!
+:/^t06:/+1,/^t07/-1sort! n        
+:/^t07:/+1,/^t08/-1sort! u
+:/^t08:/+1,/^t09/-1sort o         
+:/^t09:/+1,/^t10/-1sort! x        
+:/^t10:/+1,/^t11/-1sort/./        
+:/^t11:/+1,/^t12/-1sort/../       
+:/^t12:/+1,/^t13/-1sort/../u
+:/^t13:/+1,/^t14/-1sort/./n
+:/^t14:/+1,/^t15/-1sort/./r
+:/^t15:/+1,/^t16/-1sort/../r
+:/^t16:/+1,/^t17/-1sort/./rn
+:/^t17:/+1,/^t18/-1sort/\d/
+:/^t18:/+1,/^t19/-1sort/\d/r
+:/^t19:/+1,/^t20/-1sort/\d/n
+:/^t20:/+1,/^t21/-1sort/\d/rn
+:/^t21:/+1,/^t22/-1sort/\d\d/
+:/^t22:/+1,/^t23/-1sort/\d\d/n
+:/^t23:/+1,/^t24/-1sort/\d\d/x
+:/^t24:/+1,/^t25/-1sort/\d\d/r
+:/^t25:/+1,/^t26/-1sort/\d\d/rn
+:/^t26:/+1,/^t27/-1sort/\d\d/rx
+:/^t27:/+1,/^t28/-1sort no
+:/^t01:/,$wq! test.out
 ENDTEST
 
-t1: alphabetical
-two test
-One test
-one test
-Two test
-t2: alpha, unique
-One test
-one test
-Two test
-one test
-Two test 
-t3: alpha, unique, skip pattern
-one: xay
-two: aaa
-another: tuvy
-t4: number
-asdf 83 asd
-one 333   
-xce   9
-t5: number and skip
-asdf 3 a: sd 11
-one 33:4   99
-:9 
-t6: octal
-2389
-111
-asdf 0014
-t7: hex and skip
-sf/0x1d3
-0x44/1a1
-asd/ad 1413
-t8: wrong arguments
-ccc
-bbb
-aaa
-t8:
+t01: alphebetical
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t02: numeric
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t03: hexadecimal
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t04: alpha, unique
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t05: alpha, reverse
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t06: numeric, reverse
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t07: unique, reverse
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t08: octal
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t09: reverse, hexadecimal
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t10: alpha, skip first character
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t11: alpha, skip first 2 characters
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t12: alpha, unique, skip first 2 characters
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t13: numeric, skip first character
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t14: alpha, sort on first character
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t15: alpha, sort on first 2 characters
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t16: numeric, sort on first character
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t17: alpha, skip past first digit
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t18: alpha, sort on first digit
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t19: numeric, skip past first digit
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t20: numeric, sort on first digit
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t21: alpha, skip past first 2 digits
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t22: numeric, skip past first 2 digits
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t23: hexadecimal, skip past first 2 digits
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t24: alpha, sort on first 2 digits
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t25: numeric, sort on first 2 digits
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t26: hexadecimal, sort on first 2 digits
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t27: wrong arguments
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t28: done
+
diff --git a/src/testdir/test57.ok b/src/testdir/test57.ok
index 69b9862..1777133 100644
--- a/src/testdir/test57.ok
+++ b/src/testdir/test57.ok
@@ -1,35 +1,455 @@
-t1: alphabetical
-One test
-Two test
-one test
-two test
-t2: alpha, unique
-One test
-Two test
-Two test 
-one test
-t3: alpha, unique, skip pattern
-two: aaa
-another: tuvy
-one: xay
-t4: number
-xce   9
-asdf 83 asd
-one 333   
-t5: number and skip
-one 33:4   99
-:9 
-asdf 3 a: sd 11
-t6: octal
-asdf 0014
-2389
-111
-t7: hex and skip
-asd/ad 1413
-0x44/1a1
-sf/0x1d3
-t8: wrong arguments
-ccc
-bbb
-aaa
-t8:
+t01: alphebetical
+
+
+ 123b
+a
+a122
+a123
+a321
+ab
+abc
+b123
+b321
+b321
+b321b
+b322b
+c123d
+c321d
+t02: numeric
+abc
+ab
+a
+
+
+a122
+a123
+b123
+c123d
+ 123b
+a321
+b321
+c321d
+b321
+b321b
+b322b
+t03: hexadecimal
+
+
+a
+ab
+abc
+ 123b
+a122
+a123
+a321
+b123
+b321
+b321
+b321b
+b322b
+c123d
+c321d
+t04: alpha, unique
+
+ 123b
+a
+a122
+a123
+a321
+ab
+abc
+b123
+b321
+b321b
+b322b
+c123d
+c321d
+t05: alpha, reverse
+c321d
+c123d
+b322b
+b321b
+b321
+b321
+b123
+abc
+ab
+a321
+a123
+a122
+a
+ 123b
+
+
+t06: numeric, reverse
+b322b
+b321b
+b321
+c321d
+b321
+a321
+ 123b
+c123d
+b123
+a123
+a122
+
+
+a
+ab
+abc
+t07: unique, reverse
+c321d
+c123d
+b322b
+b321b
+b321
+b123
+abc
+ab
+a321
+a123
+a122
+a
+ 123b
+
+t08: octal
+abc
+ab
+a
+
+
+a122
+a123
+b123
+c123d
+ 123b
+a321
+b321
+c321d
+b321
+b321b
+b322b
+t09: reverse, hexadecimal
+c321d
+c123d
+b322b
+b321b
+b321
+b321
+b123
+a321
+a123
+a122
+ 123b
+abc
+ab
+a
+
+
+t10: alpha, skip first character
+a
+
+
+a122
+a123
+b123
+ 123b
+c123d
+a321
+b321
+b321
+b321b
+c321d
+b322b
+ab
+abc
+t11: alpha, skip first 2 characters
+ab
+a
+
+
+a321
+b321
+b321
+b321b
+c321d
+a122
+b322b
+a123
+b123
+ 123b
+c123d
+abc
+t12: alpha, unique, skip first 2 characters
+ab
+a
+
+a321
+b321
+b321b
+c321d
+a122
+b322b
+a123
+b123
+ 123b
+c123d
+abc
+t13: numeric, skip first character
+abc
+ab
+a
+
+
+a122
+a123
+b123
+c123d
+ 123b
+a321
+b321
+c321d
+b321
+b321b
+b322b
+t14: alpha, sort on first character
+
+
+ 123b
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+b322b
+b321
+b321b
+c123d
+c321d
+t15: alpha, sort on first 2 characters
+a
+
+
+ 123b
+a123
+a122
+a321
+abc
+ab
+b123
+b321
+b322b
+b321
+b321b
+c123d
+c321d
+t16: numeric, sort on first character
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t17: alpha, skip past first digit
+abc
+ab
+a
+
+
+a321
+b321
+b321
+b321b
+c321d
+a122
+b322b
+a123
+b123
+ 123b
+c123d
+t18: alpha, sort on first digit
+abc
+ab
+a
+
+
+a123
+a122
+b123
+c123d
+ 123b
+a321
+b321
+c321d
+b322b
+b321
+b321b
+t19: numeric, skip past first digit
+abc
+ab
+a
+
+
+a321
+b321
+c321d
+b321
+b321b
+a122
+b322b
+a123
+b123
+c123d
+ 123b
+t20: numeric, sort on first digit
+abc
+ab
+a
+
+
+a123
+a122
+b123
+c123d
+ 123b
+a321
+b321
+c321d
+b322b
+b321
+b321b
+t21: alpha, skip past first 2 digits
+abc
+ab
+a
+
+
+a321
+b321
+b321
+b321b
+c321d
+a122
+b322b
+a123
+b123
+ 123b
+c123d
+t22: numeric, skip past first 2 digits
+abc
+ab
+a
+
+
+a321
+b321
+c321d
+b321
+b321b
+a122
+b322b
+a123
+b123
+c123d
+ 123b
+t23: hexadecimal, skip past first 2 digits
+abc
+ab
+a
+
+
+a321
+b321
+b321
+a122
+a123
+b123
+b321b
+c321d
+b322b
+ 123b
+c123d
+t24: alpha, sort on first 2 digits
+abc
+ab
+a
+
+
+a123
+a122
+b123
+c123d
+ 123b
+a321
+b321
+c321d
+b322b
+b321
+b321b
+t25: numeric, sort on first 2 digits
+abc
+ab
+a
+
+
+a123
+a122
+b123
+c123d
+ 123b
+a321
+b321
+c321d
+b322b
+b321
+b321b
+t26: hexadecimal, sort on first 2 digits
+abc
+ab
+a
+
+
+a123
+a122
+b123
+c123d
+ 123b
+a321
+b321
+c321d
+b322b
+b321
+b321b
+t27: wrong arguments
+abc
+ab
+a
+a321
+a123
+a122
+b321
+b123
+c123d
+ 123b
+c321d
+b322b
+b321
+b321b
+
+
+t28: done
+