- When <langcode>/share/mk/doc.local.mk exists, it will be included

just after doc.common.mk included.  This can be used for various
  language specific customizations.

- Remove SP_ENCODING_LIST.  Translators should define the SP_ENCODING
  variable directly in their doc.local.mk when it is needed.

Discussed with:	den

share/mk/doc.docbook.mk

@@ -147,7 +147,10 @@ NSGMLSWARNINGS=	-wempty -wunclosed
 SX?=		${PREFIX}/bin/sx
 .endif
 
-JADE_CMD=	${JADE}
+.if defined(SP_ENCODING)
+JADE_ENV+=	SP_ENCODING=${SP_ENCODING}
+.endif
+JADE_CMD=	${SETENV} ${JADE_ENV} ${JADE}
 
 DSLHTML?=	${DOC_PREFIX}/share/sgml/default.dsl
 DSLPRINT?=	${DOC_PREFIX}/share/sgml/default.dsl
@@ -452,17 +455,6 @@ CLEANFILES+= 		${HTML_SPLIT_INDEX} ${HTML_INDEX} ${PRINT_INDEX}
 
 all: ${_docs}
 
-#
-# SP_ENCODING support
-#
-CUR_ENCODING!= 	${ECHO} ${LANGCODE} | ${SED} 's/^.*\.//' | \
-	${SED} 's/^ISO/ISO\-/'
-.for _sp_encoding in ${SP_ENCODING_LIST}
-.if ${CUR_ENCODING} == ${_sp_encoding}
-JADE_CMD=	SP_ENCODING=${CUR_ENCODING} ${JADE}
-.endif
-.endfor
-
 # XML --------------------------------------------------------------------
 
 # sx generates a lot of (spurious) errors of the form "reference to

share/mk/doc.project.mk

@@ -99,6 +99,12 @@ SETENV?=	/usr/bin/env
 # targets and variables commonly used in doc/ and www/ tree.
 .include "doc.common.mk"
 
+DOC_LOCAL_MK=	${DOC_PREFIX}/${LANGCODE}/share/mk/doc.local.mk
+
+.if exists(${DOC_LOCAL_MK})
+.include "${DOC_LOCAL_MK}"
+.endif
+
 # Ownership information.
 .include "doc.install.mk"