jruby --version
jruby 9.0.4.0 (2.2.2) 2015-11-12 b9fb7aa Java HotSpot(TM) 64-Bit Server VM 25.65-b01 on 1.8.0_65-b17 +jit [Windows 10-amd64]
gollum --version
Gollum 4.0.1

can not create utf-8 titled page

When I create a page with utf-8 like this:

it turns out to be:

may be it's ok, though it should be the same as the utf-8 chars, but it works fine, cus I can use English words as my title.

can not edit utf-8 titled page

when wiki cloned from another remote server, like oschina, like this:

I want to edit the wiki pages locally then push it to oschina.
seems ok(I'll talk of 亮ç¯ç � later, sorry about this Invisible char):

the mk files were encoded with uft-8:

I tried to edit this page, then I save it, created the page : 亮ç¯ç, and the initial page remains to what it was.

I'v read about #547 and #824 (the latter didn't help), so i believe it's been solved, however It appeared on my windows workstation.