 HELP: bitroll
 { $values { "x" integer } { "s" "a shift integer" } { "w" "a wrap integer" } { "y" integer }
 }
-{ $description "Roll n by s bits to the left, wrapping around after w bits." }
+{ $description "Roll " { $snippet "n" } " by " { $snippet "s" } " bits to the left, wrapping around after " { $snippet "w" } " bits." }
 { $examples
     { $example "USING: math.bitwise prettyprint ;" "1 -1 32 bitroll .b" "0b10000000000000000000000000000000" }
     { $example "USING: math.bitwise prettyprint ;" "0xffff0000 8 32 bitroll .h" "0xff0000ff" }

     { "x" integer } { "n" integer }
     { "y" integer }
}
{ $description "Sets the nth bit of " { $snippet "x" } "." }
{ $examples
    { $example "USING: math.bitwise kernel prettyprint ;"
        "0 5 set-bit .h"

     { "n" integer }
     { "m'" integer }
}
{ $description "Toggles the " { $snippet "n" } "th bit of an integer." }
{ $examples
    { $example "USING: math.bitwise kernel prettyprint ;"
        "0 3 toggle-bit .b"
