Ensured various XPG7 stuff are declared properly in sys/stat.h (and cleanup)
New documentation for wcslen, wcsnlen, wcscasecmp (and friends), wcsdup.
Various other tweaks and markup improvements.

@@ -26,10 +26,12 @@
 
 MANCHECKS=      $(MANFILES:%=%.check)
 ROOTMANFILES=   $(MANFILES:%=$(ROOTMAN)/man$(MANSECT)/%)
 ROOTMANLINKS=   $(MANLINKS:%=$(ROOTMAN)/man$(MANSECT)/%)
 
+all:
+
 $(ROOTMAN)/man$(MANSECT)/% $(ROOTHASMAN)/man$(MANSECT)/%: %
                 $(INS.file)
 
 $(MANCHECKS):
                 @$(ECHO) "checking $(@:%.check=%)"; \

@@ -39,12 +41,10 @@
                 $(RM) $@; $(SYMLINK) $(LINKSRC) $@
 
 $(ROOTMANLINKS): $(MANLINKS)
                 $(RM) $@; $(CP) -RP $(@F) $(@D)
 
-all:
-
 check:          $(MANCHECKS)
 
 clean:
 
 clobber: