[API] Remove hb_buffer_clear()

One should use hb_buffer_reset() really.

src/hb-buffer.cc

diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 839a256..f5dc02f 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -231,17 +231,6 @@
 void
 hb_buffer_reset (hb_buffer_t *buffer)
 {
-  hb_buffer_clear (buffer);
-
-  buffer->props = _hb_buffer_nil.props;
-
-  hb_unicode_funcs_destroy (buffer->unicode);
-  buffer->unicode = _hb_buffer_nil.unicode;
-}
-
-void
-hb_buffer_clear (hb_buffer_t *buffer)
-{
   buffer->have_output = FALSE;
   buffer->have_positions = FALSE;
   buffer->in_error = FALSE;
@@ -250,6 +239,11 @@
   buffer->i = 0;
   buffer->out_info = buffer->info;
   buffer->serial = 0;
+
+  buffer->props = _hb_buffer_nil.props;
+
+  hb_unicode_funcs_destroy (buffer->unicode);
+  buffer->unicode = _hb_buffer_nil.unicode;
 }
 
 hb_bool_t

src/hb-buffer.h

diff --git a/src/hb-buffer.h b/src/hb-buffer.h
index a2785ee..49f6a49 100644
--- a/src/hb-buffer.h
+++ b/src/hb-buffer.h
@@ -102,10 +102,6 @@
 void
 hb_buffer_reset (hb_buffer_t *buffer);
 
-/* Clears buffer glyphs, but doesn't touch other buffer attributes. */
-void
-hb_buffer_clear (hb_buffer_t *buffer);
-
 void
 hb_buffer_clear_positions (hb_buffer_t *buffer);
 

test/test-buffer.c

diff --git a/test/test-buffer.c b/test/test-buffer.c
index d4c9243..4316f17 100644
--- a/test/test-buffer.c
+++ b/test/test-buffer.c
@@ -146,10 +146,6 @@
     g_assert_cmphex (glyphs[i].var1.u32,  ==, 0);
     g_assert_cmphex (glyphs[i].var2.u32,  ==, 0);
   }
-
-  hb_buffer_clear (fixture->b);
-  /* XXX Make sure clear() doesn't unset other properties? */
-  g_assert_cmpint (hb_buffer_get_length (fixture->b), ==, 0);
 }
 
 static void