fixed debug asserts to allow for offset=count, since offsets represent

the slots between content.

editor/base/DeleteRangeTxn.cpp

@@ -72,7 +72,7 @@ nsresult DeleteRangeTxn::Init(nsIDOMRange *aRange)
       NS_ASSERTION(((NS_SUCCEEDED(result)) && children), "bad start child list");
       children->GetLength(&count);
     }
-    NS_ASSERTION(mStartOffset<count, "bad start offset");
+    NS_ASSERTION(mStartOffset<=count, "bad start offset");
 
     textNode = mEndParent;
     if (textNode)
@@ -84,7 +84,7 @@ nsresult DeleteRangeTxn::Init(nsIDOMRange *aRange)
       NS_ASSERTION(((NS_SUCCEEDED(result)) && children), "bad end child list");
       children->GetLength(&count);
     }
-    NS_ASSERTION(mEndOffset<count, "bad end offset");
+    NS_ASSERTION(mEndOffset<=count, "bad end offset");
     if (gNoisy)
       printf ("DeleteRange: %d of %p to %d of %p\n", 
                mStartOffset, (void *)mStartParent, mEndOffset, (void *)mEndParent);

editor/core/DeleteRangeTxn.cpp

@@ -72,7 +72,7 @@ nsresult DeleteRangeTxn::Init(nsIDOMRange *aRange)
       NS_ASSERTION(((NS_SUCCEEDED(result)) && children), "bad start child list");
       children->GetLength(&count);
     }
-    NS_ASSERTION(mStartOffset<count, "bad start offset");
+    NS_ASSERTION(mStartOffset<=count, "bad start offset");
 
     textNode = mEndParent;
     if (textNode)
@@ -84,7 +84,7 @@ nsresult DeleteRangeTxn::Init(nsIDOMRange *aRange)
       NS_ASSERTION(((NS_SUCCEEDED(result)) && children), "bad end child list");
       children->GetLength(&count);
     }
-    NS_ASSERTION(mEndOffset<count, "bad end offset");
+    NS_ASSERTION(mEndOffset<=count, "bad end offset");
     if (gNoisy)
       printf ("DeleteRange: %d of %p to %d of %p\n", 
                mStartOffset, (void *)mStartParent, mEndOffset, (void *)mEndParent);

editor/libeditor/base/DeleteRangeTxn.cpp

@@ -72,7 +72,7 @@ nsresult DeleteRangeTxn::Init(nsIDOMRange *aRange)
       NS_ASSERTION(((NS_SUCCEEDED(result)) && children), "bad start child list");
       children->GetLength(&count);
     }
-    NS_ASSERTION(mStartOffset<count, "bad start offset");
+    NS_ASSERTION(mStartOffset<=count, "bad start offset");
 
     textNode = mEndParent;
     if (textNode)
@@ -84,7 +84,7 @@ nsresult DeleteRangeTxn::Init(nsIDOMRange *aRange)
       NS_ASSERTION(((NS_SUCCEEDED(result)) && children), "bad end child list");
       children->GetLength(&count);
     }
-    NS_ASSERTION(mEndOffset<count, "bad end offset");
+    NS_ASSERTION(mEndOffset<=count, "bad end offset");
     if (gNoisy)
       printf ("DeleteRange: %d of %p to %d of %p\n", 
                mStartOffset, (void *)mStartParent, mEndOffset, (void *)mEndParent);