===================================================================
RCS file: /cvs/mandoc/mandoc_headers.3,v
retrieving revision 1.22
retrieving revision 1.24
diff -u -p -r1.22 -r1.24
--- mandoc/mandoc_headers.3	2018/12/13 03:40:13	1.22
+++ mandoc/mandoc_headers.3	2018/12/13 06:18:20	1.24
@@ -97,11 +97,6 @@ Provides
 .Vt enum mandocerr ,
 .Vt enum mandoclevel ,
 .Vt enum mandoc_os ,
-.Vt enum eqn_boxt ,
-.Vt enum eqn_fontt ,
-.Vt enum eqn_pilet ,
-.Vt enum eqn_post ,
-.Vt struct eqn_box ,
 the function prototype typedef
 .Fn mandocmsg ,
 the function
@@ -143,6 +138,22 @@ Provides
 .Vt struct tbl_dat ,
 and
 .Vt struct tbl_span .
+.It Qq Pa eqn.h
+Data structures for the
+.Xr eqn 7
+parse tree; can be used everywhere.
+.Pp
+Requires
+.In sys/types.h
+for
+.Vt size_t .
+.Pp
+Provides
+.Vt enum eqn_boxt ,
+.Vt enum eqn_fontt ,
+.Vt enum eqn_post ,
+and
+.Vt struct eqn_box .
 .It Qq Pa mandoc_xr.h
 Cross reference validation; intended for use in the main program
 and in parsers, but not in formatters.
@@ -156,6 +167,9 @@ and the functions
 and
 .Fn mandoc_xr_free .
 .It Qq Pa roff.h
+Common data types for all syntax trees and related functions;
+can be used everywhere.
+.Pp
 Requires
 .Qq Pa mandoc_ohash.h
 for
@@ -178,10 +192,7 @@ Provides
 the constant array
 .Va roff_name
 and the functions
-.Fn deroff ,
-.Fn roffhash_alloc ,
-.Fn roffhash_find ,
-.Fn roffhash_free ,
+.Fn deroff
 and
 .Fn roff_validate .
 .Pp
@@ -289,14 +300,24 @@ from
 .Pa roff.h
 as an opaque type for function prototypes.
 .It Qq Pa roff_int.h
+Parser internals shared by multiple parsers.
+Can be used in all parsers, but not in main programs or formatters.
+.Pp
 Requires
 .Qq Pa roff.h
 for
-.Vt enum roff_type .
+.Vt enum roff_type
+and
+.Vt enum roff_tok .
 .Pp
 Provides functions named
 .Fn roff_*
-to handle roff nodes and the two special functions
+to handle roff nodes,
+.Fn roffhash_alloc ,
+.Fn roffhash_find ,
+and
+.Fn roffhash_free ,
+and the two special functions
 .Fn man_breakscope
 and
 .Fn mdoc_argv_free
@@ -388,6 +409,7 @@ Provides
 .Vt struct eqn_node
 and the functions
 .Fn eqn_alloc ,
+.Fn eqn_box_new ,
 .Fn eqn_box_free ,
 .Fn eqn_free ,
 .Fn eqn_parse ,