Spell `necessary' correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7944 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/HistoricalNotes/2001-02-09-AdveCommentsResponse.txt b/docs/HistoricalNotes/2001-02-09-AdveCommentsResponse.txt
index 4d28795..5c87330 100644
--- a/docs/HistoricalNotes/2001-02-09-AdveCommentsResponse.txt
+++ b/docs/HistoricalNotes/2001-02-09-AdveCommentsResponse.txt
@@ -150,7 +150,7 @@
 Conditional move is effectly a special case of a predicated
 instruction... and I think that all predicated instructions can possibly
 be implemented later in LLVM.  It would significantly change things, and
-it doesn't seem to be very neccesary right now.  It would seem to
+it doesn't seem to be very necessary right now.  It would seem to
 complicate flow control analysis a LOT in the virtual machine.  I would
 tend to prefer that a predicated architecture like IA64 convert from a
 "basic block" representation to a predicated rep as part of it's dynamic
diff --git a/docs/HistoricalNotes/2001-05-18-ExceptionHandling.txt b/docs/HistoricalNotes/2001-05-18-ExceptionHandling.txt
index 2e0b794..b546301 100644
--- a/docs/HistoricalNotes/2001-05-18-ExceptionHandling.txt
+++ b/docs/HistoricalNotes/2001-05-18-ExceptionHandling.txt
@@ -144,7 +144,7 @@
 2. A pointer to the dtor for the contained object
 3. The contained object itself
 
-Note that it is neccesary to maintain #1 & #2 in the exception object itself
+Note that it is necessary to maintain #1 & #2 in the exception object itself
 because objects without virtual function tables may be thrown (as in this 
 example).  Assuming this, TryHandler would look something like this:
 
diff --git a/docs/HistoricalNotes/2002-06-25-MegaPatchInfo.txt b/docs/HistoricalNotes/2002-06-25-MegaPatchInfo.txt
index 9709ce5..2ca4611 100644
--- a/docs/HistoricalNotes/2002-06-25-MegaPatchInfo.txt
+++ b/docs/HistoricalNotes/2002-06-25-MegaPatchInfo.txt
@@ -43,7 +43,7 @@
 
   which is much more natural and what users expect.
 
-* Simplification of #include's: Before, it was neccesary for a .cpp file to
+* Simplification of #include's: Before, it was necessary for a .cpp file to
   include every .h file that it used.  Now things are batched a little bit more
   to make it easier to use.  Specifically, the include graph now includes these
   edges: