else \
$(ECHO) Setting docs to not stable $(VERSION); \
$(PERL) -pi.bak -e 's/<!entity +% +p-stable.*>/<!entity % p-stable "IGNORE">/; \
s/<!entity +% +p-not-stable.*>/<!entity % p-not-stable "INCLUDE">/' \
doc/source/*sgml doc/source/*/*sgml; \
else \
$(ECHO) Setting docs to not stable $(VERSION); \
$(PERL) -pi.bak -e 's/<!entity +% +p-stable.*>/<!entity % p-stable "IGNORE">/; \
s/<!entity +% +p-not-stable.*>/<!entity % p-not-stable "INCLUDE">/' \
doc/source/*sgml doc/source/*/*sgml; \