+
+
+## ---------------- ##
+## Default values. ##
+## ---------------- ##
+
+# m4_define_default([b4_lex_param], []) dnl breaks other skeletons
+m4_define_default([b4_pre_prologue], [])
+m4_define_default([b4_post_prologue], [])
+m4_define_default([b4_epilogue], [])
+m4_define_default([b4_parse_param], [])
+
+# The initial column and line.
+m4_define_default([b4_location_initial_column], [1])
+m4_define_default([b4_location_initial_line], [1])
+
+# Sanity checks.
+b4_percent_define_ifdef([api.prefix],
+[m4_ifdef([b4_prefix],
+[b4_complain_at(b4_percent_define_get_loc([api.prefix]),
+ [['%s' and '%s' cannot be used together]],
+ [%name-prefix],
+ [%define api.prefix])])])