Started splitting out contribution-related TODOs into a separate list. Also fixed a typo in windows/tabpage.c.

redo/TODO.contributions

@@ -0,0 +1,2 @@
+wine
+- say that dialogs respond to WM_PRINTCLIENT on xp+

redo/windows/tabpage.c

@@ -3,9 +3,7 @@
 
 // This is a special internal control type that handles tab pages.
 // This doesn't use the container class, but rather a subclassed WC_DIALOG, as that supports tab textures properly.
-// The standard property sheet control oes the same thing.
-
-// TODO tell wine that dialogs respond to WM_PRINTCLIENT on xp+
+// The standard property sheet control does the same thing.
 
 struct tabPage {
 	uiControl c;