diff --git a/libs/pyglet/font/quartz.py b/libs/pyglet/font/quartz.py
index cf0cefa..fdc5dcc 100644
--- a/libs/pyglet/font/quartz.py
+++ b/libs/pyglet/font/quartz.py
@@ -7,7 +7,7 @@ from ctypes import c_void_p, c_int32, byref, c_byte
 from pyglet.font import base
 import pyglet.image
 
-from pyglet.libs.darwin import cocoapy, kCTFontURLAttribute
+from pyglet.libs.darwin import cocoapy, kCTFontURLAttribute, CGFloat
 
 cf = cocoapy.cf
 ct = cocoapy.ct
@@ -38,26 +38,39 @@ class QuartzGlyphRenderer(base.GlyphRenderer):
         cf.CFRelease(string)
         cf.CFRelease(attributes)
 
-        # Get a bounding rectangle for glyphs in string.
+        # Determine the glyphs involved for the text (if any)
         count = len(text)
         chars = (cocoapy.UniChar * count)(*list(map(ord,str(text))))
         glyphs = (cocoapy.CGGlyph * count)()
         ct.CTFontGetGlyphsForCharacters(ctFont, chars, glyphs, count)
-        rect = ct.CTFontGetBoundingRectsForGlyphs(ctFont, 0, glyphs, None, count)
 
-        # Get advance for all glyphs in string.
-        advance = ct.CTFontGetAdvancesForGlyphs(ctFont, 0, glyphs, None, count)
+        # If a glyph is returned as 0, it does not exist in the current font.
+        if glyphs[0] == 0:
+            # Use the typographic bounds instead for the placements.
+            # This seems to have some sort of fallback information in the bounds.
+            ascent, descent = CGFloat(), CGFloat()
+            advance = width = int(ct.CTLineGetTypographicBounds(line, byref(ascent), byref(descent), None))
+            height = int(ascent.value + descent.value)
+            lsb = 0
+            baseline = descent.value
+        else:
+            # Get a bounding rectangle for glyphs in string.
+            rect = ct.CTFontGetBoundingRectsForGlyphs(ctFont, 0, glyphs, None, count)
 
-        # Set image parameters:
-        # We add 2 pixels to the bitmap width and height so that there will be a 1-pixel border
-        # around the glyph image when it is placed in the texture atlas.  This prevents
-        # weird artifacts from showing up around the edges of the rendered glyph textures.
-        # We adjust the baseline and lsb of the glyph by 1 pixel accordingly.
-        width = max(int(math.ceil(rect.size.width) + 2), 1)
-        height = max(int(math.ceil(rect.size.height) + 2), 1)
-        baseline = -int(math.floor(rect.origin.y)) + 1
-        lsb = int(math.floor(rect.origin.x)) - 1
-        advance = int(round(advance))
+            # Get advance for all glyphs in string.
+            advance = ct.CTFontGetAdvancesForGlyphs(ctFont, 0, glyphs, None, count)
+
+            # Set image parameters:
+            # We add 2 pixels to the bitmap width and height so that there will be a 1-pixel border
+            # around the glyph image when it is placed in the texture atlas.  This prevents
+            # weird artifacts from showing up around the edges of the rendered glyph textures.
+            # We adjust the baseline and lsb of the glyph by 1 pixel accordingly.
+
+            width = max(int(math.ceil(rect.size.width) + 2), 1)
+            height = max(int(math.ceil(rect.size.height) + 2), 1)
+            baseline = -int(math.floor(rect.origin.y)) + 1
+            lsb = int(math.ceil(rect.origin.x)) - 1
+            advance = int(round(advance))
 
         # Create bitmap context.
         bitsPerComponent = 8
diff --git a/libs/pyglet/libs/darwin/cocoapy/cocoalibs.py b/libs/pyglet/libs/darwin/cocoapy/cocoalibs.py
index a8c7477..ad4fb26 100644
--- a/libs/pyglet/libs/darwin/cocoapy/cocoalibs.py
+++ b/libs/pyglet/libs/darwin/cocoapy/cocoalibs.py
@@ -543,6 +543,9 @@ kCTFontBoldTrait   = (1 << 1)
 ct.CTLineCreateWithAttributedString.restype = c_void_p
 ct.CTLineCreateWithAttributedString.argtypes = [c_void_p]
 
+ct.CTLineGetTypographicBounds.restype = c_double
+ct.CTLineGetTypographicBounds.argtypes = [c_void_p, POINTER(CGFloat), POINTER(CGFloat), POINTER(CGFloat)]
+
 ct.CTLineDraw.restype = None
 ct.CTLineDraw.argtypes = [c_void_p, c_void_p]
 
diff --git a/libs/pyglet/media/mediathreads.py b/libs/pyglet/media/mediathreads.py
index 130868b..067c1dd 100644
--- a/libs/pyglet/media/mediathreads.py
+++ b/libs/pyglet/media/mediathreads.py
@@ -56,7 +56,11 @@ class MediaThread:
         with self._condition:
             self._stopped = True
             self._condition.notify()
-        self._thread.join()
+        try:
+            self._thread.join()
+        except RuntimeError:
+            # Ignore on unclean shutdown
+            pass
 
     def sleep(self, timeout):
         """Wait for some amount of time, or until notified.
diff --git a/libs/pyglet/window/cocoa/pyglet_textview.py b/libs/pyglet/window/cocoa/pyglet_textview.py
index 39f1146..5f9c1f0 100644
--- a/libs/pyglet/window/cocoa/pyglet_textview.py
+++ b/libs/pyglet/window/cocoa/pyglet_textview.py
@@ -40,8 +40,9 @@ class PygletTextView_Implementation:
         text = cfstring_to_string(text)
         self.setString_(self.empty_string)
         # Don't send control characters (tab, newline) as on_text events.
-        if unicodedata.category(text[0]) != 'Cc':
-            self._window.dispatch_event("on_text", text)
+        if text:
+            if unicodedata.category(text[0]) != 'Cc':
+                self._window.dispatch_event("on_text", text)
 
     @PygletTextView.method('v@')
     def insertNewline_(self, sender):
diff --git a/libs/pyglet/window/cocoa/pyglet_view.py b/libs/pyglet/window/cocoa/pyglet_view.py
index 0c85e89..a66921c 100644
--- a/libs/pyglet/window/cocoa/pyglet_view.py
+++ b/libs/pyglet/window/cocoa/pyglet_view.py
@@ -139,10 +139,6 @@ class PygletView_Implementation:
 
         self.addTrackingArea_(self._tracking_area)
 
-    @PygletView.method('B')
-    def acceptsFirstResponder (self):
-        return True
-
     @PygletView.method('B')
     def canBecomeKeyView(self):
         return True