diff --git a/extra/english/authors.txt b/basis/english/authors.txt
similarity index 100%
rename from extra/english/authors.txt
rename to basis/english/authors.txt
diff --git a/extra/english/english-tests.factor b/basis/english/english-tests.factor
similarity index 100%
rename from extra/english/english-tests.factor
rename to basis/english/english-tests.factor
diff --git a/extra/english/english.factor b/basis/english/english.factor
similarity index 100%
rename from extra/english/english.factor
rename to basis/english/english.factor
diff --git a/extra/english/summary.txt b/basis/english/summary.txt
similarity index 100%
rename from extra/english/summary.txt
rename to basis/english/summary.txt