[doc] Try to fix generating hb-features docs
Move it to a separate section, since hb-common says include hb.h, while
we want to include hb-features.h here.
This still does not fix generating documentation of undefined macros
(e.g. HB_HAS_GDI since we build docs on Linux).
diff --git a/docs/harfbuzz-docs.xml b/docs/harfbuzz-docs.xml
index 738356b..cc6c989 100644
--- a/docs/harfbuzz-docs.xml
+++ b/docs/harfbuzz-docs.xml
@@ -56,6 +56,7 @@
<xi:include href="xml/hb-blob.xml"/>
<xi:include href="xml/hb-buffer.xml"/>
<xi:include href="xml/hb-common.xml"/>
+ <xi:include href="xml/hb-features.xml"/>
<xi:include href="xml/hb-draw.xml"/>
<xi:include href="xml/hb-paint.xml"/>
<xi:include href="xml/hb-deprecated.xml"/>
