Add a comment warning when a table must be kept sorted for later use with bsearch().
diff --git a/dlls/msi/tokenize.c b/dlls/msi/tokenize.c
index d05d244..92a1067 100644
--- a/dlls/msi/tokenize.c
+++ b/dlls/msi/tokenize.c
@@ -77,6 +77,7 @@
 
 /*
 ** These are the keywords
+** They MUST be in alphabetical order
 */
 static const Keyword aKeywordTable[] = {
   { ADD_W, TK_ADD },
diff --git a/dlls/opengl32/opengl_ext.c b/dlls/opengl32/opengl_ext.c
index 5a37ed9..25674f7 100644
--- a/dlls/opengl32/opengl_ext.c
+++ b/dlls/opengl32/opengl_ext.c
@@ -9706,7 +9706,9 @@
 }
 
 
-/* The table giving the correspondence between names and functions */
+/* The table giving the correspondence between names and functions
+ * This table MUST be alphabetically sorted on the name field
+ */
 const OpenGL_extension extension_registry[1197] = {
   { "glActiveStencilFaceEXT", "GL_EXT_stencil_two_side", (void *) wine_glActiveStencilFaceEXT },
   { "glActiveTexture", "GL_VERSION_1_3", (void *) wine_glActiveTexture },
diff --git a/tools/widl/parser.l b/tools/widl/parser.l
index 1c88684..799f94f 100644
--- a/tools/widl/parser.l
+++ b/tools/widl/parser.l
@@ -198,6 +198,7 @@
 	int token;
 };
 
+/* This table MUST be alphabetically sorted on the kw field */
 static const struct keyword keywords[] = {
 	{"FALSE",			tFALSE},
 	{"NULL",			tNULL},
@@ -256,7 +257,9 @@
 };
 #define NKEYWORDS (sizeof(keywords)/sizeof(keywords[0]))
 
-/* keywords only recognized in attribute lists */
+/* keywords only recognized in attribute lists
+ * This table MUST be alphabetically sorted on the kw field
+ */
 static const struct keyword attr_keywords[] =
 {
         {"aggregatable",                tAGGREGATABLE},
diff --git a/tools/widl/typelib.c b/tools/widl/typelib.c
index 7000788..4102fad 100644
--- a/tools/widl/typelib.c
+++ b/tools/widl/typelib.c
@@ -101,8 +101,9 @@
 }
 
 /* List of oleauto types that should be recognized by name.
- * (most of) these seem to be intrinsic types in mktyplib. */
-
+ * (most of) these seem to be intrinsic types in mktyplib.
+ * This table MUST be alphabetically sorted on the kw field.
+ */
 static const struct oatype {
   const char *kw;
   unsigned short vt;