patch 9.0.0270: some values of 'path' and 'tags' invalid in the tiny version
Problem: Some values of 'path' and 'tags' do not work in the tiny version.
Solution: Graduate the +path_extra feature.
diff --git a/runtime/doc/various.txt b/runtime/doc/various.txt
index 62a9b20..92403d3 100644
--- a/runtime/doc/various.txt
+++ b/runtime/doc/various.txt
@@ -432,7 +432,8 @@
check the actual size of a Number.
m *+ole* Win32 GUI only: |ole-interface|
N *+packages* Loading |packages|
-N *+path_extra* Up/downwards search in 'path' and 'tags'
+T *+path_extra* Up/downwards search in 'path' and 'tags' Always
+ enabled since 9.0.0270
m *+perl* Perl interface |perl|
m *+perl/dyn* Perl interface |perl-dynamic| |/dyn|
N *+persistent_undo* Persistent undo |undo-persistence|