Fix unstable sort documentation.

[WalterWaldron]

Noticed this here: https://dlang.org/library/std/algorithm/sorting/sort.html

[wilzbach]

Thanks!

[wilzbach]

Random failures with the auto-tester again:

timelimit -t 60  generated/osx/debug/32/unittest/test_runner std.file
****** FAIL debug32 std.file
std.file.FileException@std/file.d(3676): /tmp/launch-6iPmcJ: Permission denied
----------------
4   test_runner                         0x0057abcd @safe core.sys.posix.dirent.DIR* std.file.cenforce!(core.sys.posix.dirent.DIR*).cenforce(core.sys.posix.dirent.DIR*, lazy const(char)[], immutable(char)[], uint) + 113
5   test_runner                         0x0056e425 bool std.file.DirIteratorImpl.stepIn(immutable(char)[]) + 249
6   test_runner                         0x0057b333 ref std.file.DirIteratorImpl std.file.DirIteratorImpl.__ctor!(immutable(char)[]).__ctor(immutable(char)[], std.file.SpanMode, bool) + 287
7   test_runner                         0x0057b010 ref std.conv.emplaceRef!(std.file.DirIteratorImpl, std.file.DirIteratorImpl, immutable(char)[], std.file.SpanMode, bool).emplaceRef(ref std.file.DirIteratorImpl, ref immutable(char)[], ref std.file.SpanMode, ref bool).S std.conv.emplaceRef!(std.file.DirIteratorImpl, std.file.DirIteratorImpl, immutable(char)[], std.file.SpanMode, bool).emplaceRef(ref std.file.DirIteratorImpl, ref immutable(char)[], ref std.file.SpanMode, ref bool).S.__ctor(ref immutable(char)[], ref std.file.SpanMode, ref bool) + 76
8   test_runner                         0x0057afaa void std.conv.emplaceRef!(std.file.DirIteratorImpl, std.file.DirIteratorImpl, immutable(char)[], std.file.SpanMode, bool).emplaceRef(ref std.file.DirIteratorImpl, ref immutable(char)[], ref std.file.SpanMode, ref bool) + 86
9   test_runner                         0x0057af48 std.file.DirIteratorImpl* std.conv.emplace!(std.file.DirIteratorImpl, immutable(char)[], std.file.SpanMode, bool).emplace(std.file.DirIteratorImpl*, ref immutable(char)[], ref std.file.SpanMode, ref bool) + 28
10  test_runner                         0x0057af12 void std.typecons.__T10RefCountedTS3std4file15DirIteratorImplVE3std8typecons24RefCountedAutoInitializei0Z.RefCounted.RefCountedStore.initialize!(immutable(char)[], std.file.SpanMode, bool).initialize(ref immutable(char)[], ref std.file.SpanMode, ref bool) + 94
11  test_runner                         0x0057aea3 ref std.typecons.__T10RefCountedTS3std4file15DirIteratorImplVE3std8typecons24RefCountedAutoInitializei0Z.RefCounted std.typecons.__T10RefCountedTS3std4file15DirIteratorImplVE3std8typecons24RefCountedAutoInitializei0Z.RefCounted.__ctor!(immutable(char)[], std.file.SpanMode, bool).__ctor(ref immutable(char)[], ref std.file.SpanMode, ref bool) + 31
12  test_runner                         0x0056eeb7 ref std.file.DirIterator std.file.DirIterator.__ctor(immutable(char)[], std.file.SpanMode, bool) + 43
13  test_runner                         0x0056f276 std.file.DirIterator std.file.dirEntries(immutable(char)[], std.file.SpanMode, bool) + 58
14  test_runner                         0x0056cc14 void std.file.__unittestL3309_50() + 24
15  test_runner                         0x00568264 void std.file.__modtest() + 240
16  test_runner                         0x0005ba4a void test_runner.doTest(object.ModuleInfo*, ref bool) + 70
17  test_runner                         0x0005b983 bool test_runner.testModules() + 295
18  test_runner                         0x0005b850 bool test_runner.tester() + 20
19  test_runner                         0x014a58eb runModuleUnitTests + 187
20  test_runner                         0x014bdc89 void rt.dmain2._d_run_main(int, char**, extern (C) int function(char[][])*).runAll() + 37
21  test_runner                         0x014bdc06 void rt.dmain2._d_run_main(int, char**, extern (C) int function(char[][])*).tryExec(scope void delegate()) + 34
22  test_runner                         0x014bdb52 _d_run_main + 686
23  test_runner                         0x0005b6fd main + 37
24  test_runner                         0x0005b614 start + 52
25  ???                                 0x00000001 0x0 + 1
make[1]: *** [unittest/std/file.run] Error 1
make: *** [unittest-debug] Error 2

[WalterWaldron]

Random failures with the auto-tester again:

I put it against stable so that it gets fixed on the website faster. Stable doesn't have #4838 yet.