Add HB_DISABLE_DEPRECATED That moment that you have to accept that you made API mistakes...

diff --git a/docs/reference/Makefile.am b/docs/reference/Makefile.am
index 1e1b5e7..71a75db 100644
--- a/docs/reference/Makefile.am
+++ b/docs/reference/Makefile.am

@@ -28,7 +28,7 @@
 
 # Extra options to supply to gtkdoc-scan.
 # e.g. SCAN_OPTIONS=--deprecated-guards="GTK_DISABLE_DEPRECATED"
-SCAN_OPTIONS=--rebuild-types
+SCAN_OPTIONS=--rebuild-types --deprecated-guards="HB_DISABLE_DEPRECATED"
 
 # Extra options to supply to gtkdoc-mkdb.
 # e.g. MKDB_OPTIONS=--xml-mode --output-format=xml

diff --git a/docs/reference/harfbuzz-sections.txt b/docs/reference/harfbuzz-sections.txt
index 3ba4b0c..416d76d 100644
--- a/docs/reference/harfbuzz-sections.txt
+++ b/docs/reference/harfbuzz-sections.txt

@@ -102,6 +102,7 @@
 hb_script_get_horizontal_direction
 hb_script_t
 hb_script_to_iso15924_tag
+HB_SCRIPT_CANADIAN_ABORIGINAL
 hb_tag_from_string
 hb_tag_t
 hb_tag_to_string
@@ -276,9 +277,6 @@
 HB_OT_TAG_GDEF
 HB_OT_TAG_GPOS
 HB_OT_TAG_GSUB
-Xhb_ot_layout_lookup_enumerate_sequences
-Xhb_ot_layout_lookup_position
-Xhb_ot_layout_lookup_substitute
 hb_ot_layout_collect_lookups
 hb_ot_layout_feature_get_lookups
 hb_ot_layout_get_attach_points
@@ -305,6 +303,10 @@
 hb_ot_layout_table_get_feature_tags
 hb_ot_layout_table_get_script_tags
 hb_ot_shape_plan_collect_lookups
+<SUBSECTION Private>
+Xhb_ot_layout_lookup_enumerate_sequences
+Xhb_ot_layout_lookup_position
+Xhb_ot_layout_lookup_substitute
 </SECTION>
 
 <SECTION>

diff --git a/src/hb-common.h b/src/hb-common.h
index 8699bf6..5040b90 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h

@@ -273,8 +273,10 @@
   /*---*/ HB_SCRIPT_INVALID			= HB_TAG_NONE
 } hb_script_t;
 
-/* Deprecated misspellings. */
+#ifndef HB_DISABLE_DEPRECATED
+/* Deprecated misspelling. */
 #define HB_SCRIPT_CANADIAN_ABORIGINAL		  HB_SCRIPT_CANADIAN_SYLLABICS
+#endif
 
 /* These are moved out of hb_script_t because glib-mkenums chokes otherwise. */
 #if 0