Tidy and HTML tab spacing

[Warren Block]

Doc makefile patch actually attached this time.
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Index: doc/share/mk/doc.docbook.mk
===================================================================
RCS file: /home/dcvs/doc/share/mk/doc.docbook.mk,v
retrieving revision 1.129
diff -u -r1.129 doc.docbook.mk
--- doc/share/mk/doc.docbook.mk	15 May 2011 20:41:31 -0000	1.129
+++ doc/share/mk/doc.docbook.mk	26 Jan 2012 18:14:31 -0000
@@ -525,6 +525,7 @@
 		${DOC}.xml
 .endif
 .if !defined(NO_TIDY)
+	${SED} -i -e 's/	/\	/g' $$(${XARGS} < HTML.manifest)
 	-${TIDY} ${TIDYOPTS} $$(${XARGS} < HTML.manifest)
 .endif
 
@@ -545,6 +546,7 @@
 		${DOC}.xml > ${.TARGET}
 .endif
 .if !defined(NO_TIDY)
+	${SED} -i -e 's/	/\	/g' ${.TARGET}
 	-${TIDY} ${TIDYOPTS} ${.TARGET}
 .endif
 
Index: doc/share/mk/doc.html.mk
===================================================================
RCS file: /home/dcvs/doc/share/mk/doc.html.mk,v
retrieving revision 1.21
diff -u -r1.21 doc.html.mk
--- doc/share/mk/doc.html.mk	25 Feb 2006 23:19:40 -0000	1.21
+++ doc/share/mk/doc.html.mk	26 Jan 2012 18:14:31 -0000
@@ -144,6 +144,7 @@
 ${DOC}.html: ${SRCS} ${LOCAL_IMAGES_LIB} ${LOCAL_IMAGES_PNG} ${LOCAL_CSS_SHEET}
 	${SGMLNORM} -c ${HTMLCATALOG} ${SRCS:S|^|${.CURDIR}/|} > ${.TARGET}
 .if !defined(NO_TIDY)
+	${SED} -i -e 's/	/\	/g' ${.TARGET}
 	-${TIDY} ${TIDYOPTS} ${.TARGET}
 .endif
 
Index: doc/share/mk/doc.xml.mk
===================================================================
RCS file: /home/dcvs/doc/share/mk/doc.xml.mk,v
retrieving revision 1.15
diff -u -r1.15 doc.xml.mk
--- doc/share/mk/doc.xml.mk	9 Aug 2011 06:32:50 -0000	1.15
+++ doc/share/mk/doc.xml.mk	26 Jan 2012 18:14:31 -0000
@@ -385,6 +385,7 @@
 		${XSLT.${_ID}} ${XML.${_ID}}
 . if !defined(NO_TIDY) || empty(NO_TIDY)
 .  if !defined(NO_TIDY.${_ID}) || empty(NO_TIDY.${_ID})
+	${SED} -i -e 's/	/\	/g' ${.TARGET}
 	-${TIDY} ${TIDYOPTS} ${.TARGET}
 .  endif
 . endif