Fix spelling of OSX to OS X

RELEASES.rst

@@ -683,7 +683,7 @@ Released
   sigsetjmp() (with savesigs set to 0) can be a lot faster than setjmp()
   if the platform's setjmp() implementation saves the signal mask (GH-55)
 
-* Default to ``_setjmp`` for long control transfers on OSX/iPhone (when
+* Default to ``_setjmp`` for long control transfers on OS X/iPhone (when
   __APPLE__ is defined) (GH-55)
 
 * Add SuperH detection support
@@ -1080,7 +1080,7 @@ Released
 
 * Remove DUK_OPT_DEEP_C_STACK (and DUK_USE_DEEP_C_STACK) in favor of explicit
   DUK_USE_xxx config options for native recursion limits; C stacks are assumed
-  to be deep by default for all targets including OSX/iPhone (GH-165, GH-226)
+  to be deep by default for all targets including OS X/iPhone (GH-165, GH-226)
 
 * Make Proxy internal _Target and _Handler properties immutable (non-writable
   and non-configurable) (GH-237)

config/platforms.yaml

@@ -4,7 +4,7 @@ autodetect:
   # Platforms for autodetect header.  Order matters because some defines
   # overlap, so rules select for more specific define first.
   -
-    name: Mac OSX, iPhone, Darwin
+    name: Mac OS X, iPhone, Darwin
     check: DUK_F_APPLE
     include: platform_apple.h.in
   -

doc/code-issues.rst

@@ -1327,7 +1327,7 @@ When a pointer itself may be reassigned, the latter is correct, e.g.::
 
 In practice it seems that some compilers have trouble guaranteeing these
 semantics for variables that are assigned to before ``setjmp()`` and not
-changed before ``longjmp()``.  For instance, there are crashes on OSX when
+changed before ``longjmp()``.  For instance, there are crashes on OS X when
 using ``_setjmp()`` in such cases.  These crashes can be eliminated by
 declaring the variables volatile.  (It might be that adding the "volatile"
 changes the compiler output enough to mask a different bug though.)

doc/datetime.rst

@@ -235,8 +235,8 @@ See also:
 
 * http://www.gnu.org/software/libc/manual/html_node/Date-and-Time.html#Date-and-Time
 
-OSX / Darwin
-------------
+OS X / Darwin
+-------------
 
 Current implementation uses the same functions as on Linux.
 

doc/performance-sensitive.rst

@@ -46,7 +46,7 @@ Suggested feature options
   - Edit ``DUK_SETJMP``, ``DUK_LONGJMP``, and ``DUK_JMPBUF_TYPE`` to change
     the setjmp provider.
 
-  - On some platforms (e.g. OSX/iPhone) Duktape will automatically use
+  - On some platforms (e.g. OS X/iPhone) Duktape will automatically use
     ``_setjmp()``.
 
 * Consider enabling "fastints":