mshtml: Added separated IE5 and quicks mode compatibility mode.

dlls/mshtml/htmldoc.c

@@ -2997,7 +2997,7 @@ static HRESULT WINAPI HTMLDocument5_get_compatMode(IHTMLDocument5 *iface, BSTR *
 
     TRACE("(%p)->(%p)\n", This, p);
 
-    *p = SysAllocString(This->doc_node->document_mode == COMPAT_MODE_QUIRKS ? BackCompatW : CSS1CompatW);
+    *p = SysAllocString(This->doc_node->document_mode <= COMPAT_MODE_IE5 ? BackCompatW : CSS1CompatW);
     return *p ? S_OK : E_OUTOFMEMORY;
 }
 
@@ -3098,6 +3098,7 @@ static HRESULT WINAPI HTMLDocument6_get_documentMode(IHTMLDocument6 *iface, VARI
 
     static const int docmode_values[] = {
         5,  /* DOCMODE_QUIRKS */
+        5,  /* DOCMODE_IE5 */
         7,  /* DOCMODE_IE7 */
         8,  /* DOCMODE_IE8 */
         9,  /* DOCMODE_IE8 */

dlls/mshtml/mshtml_private.h

@@ -233,6 +233,7 @@ TID_LIST
 
 typedef enum {
     COMPAT_MODE_QUIRKS,
+    COMPAT_MODE_IE5,
     COMPAT_MODE_IE7,
     COMPAT_MODE_IE8,
     COMPAT_MODE_IE9,

dlls/mshtml/mutation.c

@@ -388,6 +388,10 @@ static BOOL parse_ua_compatible(const WCHAR *p, compat_mode_t *r)
         return FALSE;
 
     switch(v){
+    case 5:
+    case 6:
+        *r = COMPAT_MODE_IE5;
+        break;
     case 7:
         *r = COMPAT_MODE_IE7;
         break;
@@ -401,7 +405,7 @@ static BOOL parse_ua_compatible(const WCHAR *p, compat_mode_t *r)
         *r = COMPAT_MODE_IE10;
         break;
     default:
-        *r = v < 7 ? COMPAT_MODE_QUIRKS : COMPAT_MODE_IE11;
+        *r = v < 5 ? COMPAT_MODE_QUIRKS : COMPAT_MODE_IE11;
     }
 
     return TRUE;