[var] Remove HB_OT_TAG_fvar/avar
We're not going to define public macros for tags for tables.
There's little use to those and they are implementation detail.
diff --git a/docs/harfbuzz-sections.txt b/docs/harfbuzz-sections.txt
index 3011ee9..a91eb4c 100644
--- a/docs/harfbuzz-sections.txt
+++ b/docs/harfbuzz-sections.txt
@@ -440,8 +440,6 @@
<SECTION>
<FILE>hb-ot-var</FILE>
-HB_OT_TAG_avar
-HB_OT_TAG_fvar
HB_OT_TAG_VAR_AXIS_ITALIC
HB_OT_TAG_VAR_AXIS_OPTICAL_SIZE
HB_OT_TAG_VAR_AXIS_SLANT
diff --git a/src/hb-ot-var-avar-table.hh b/src/hb-ot-var-avar-table.hh
index 743d587..7c8449a 100644
--- a/src/hb-ot-var-avar-table.hh
+++ b/src/hb-ot-var-avar-table.hh
@@ -88,6 +88,8 @@
* avar — Axis Variations Table
*/
+#define HB_OT_TAG_avar HB_TAG('a','v','a','r')
+
struct avar
{
static const hb_tag_t tableTag = HB_OT_TAG_avar;
diff --git a/src/hb-ot-var-fvar-table.hh b/src/hb-ot-var-fvar-table.hh
index cb88de8..0c48769 100644
--- a/src/hb-ot-var-fvar-table.hh
+++ b/src/hb-ot-var-fvar-table.hh
@@ -81,6 +81,8 @@
* fvar — Font Variations Table
*/
+#define HB_OT_TAG_fvar HB_TAG('f','v','a','r')
+
struct fvar
{
static const hb_tag_t tableTag = HB_OT_TAG_fvar;
diff --git a/src/hb-ot-var.h b/src/hb-ot-var.h
index ea69aa5..a2c0c5f 100644
--- a/src/hb-ot-var.h
+++ b/src/hb-ot-var.h
@@ -36,9 +36,6 @@
HB_BEGIN_DECLS
-#define HB_OT_TAG_fvar HB_TAG('f','v','a','r')
-#define HB_OT_TAG_avar HB_TAG('a','v','a','r')
-
#define HB_OT_TAG_VAR_AXIS_ITALIC HB_TAG('i','t','a','l')
#define HB_OT_TAG_VAR_AXIS_OPTICAL_SIZE HB_TAG('o','p','s','z')
#define HB_OT_TAG_VAR_AXIS_SLANT HB_TAG('s','l','n','t')