30181, plus rename of PF_* flags to PREFORK_*:

Pass sh-wordsplitting instructions to paramsubst() using flags,
avoiding side effects of explicitly setting and unsetting the
SHWORDSPLIT option.

1 files changed, 14 insertions, 0 deletions

diff --git a/Test/D04parameter.ztst b/Test/D04parameter.ztst
index 71c79687f..69606e453 100644
--- a/Test/D04parameter.ztst
+++ b/Test/D04parameter.ztst
@@ -255,6 +255,20 @@
 >two
 >words
 
+  (setopt shwordsplit # ensure this doesn't get set in main shell...
+  test_splitting ()
+  {
+    array="one two three"
+    for e in $array; do
+      echo "'$e'"
+    done
+  }
+  test_split_var=
+  : ${test_split_var:=$(test_splitting)}
+  echo "_${test_split_var}_")
+0:SH_WORD_SPLIT inside $(...) inside ${...}
+>_'one' 'two' 'three'_
+
   print -l "${(f)$(print first line\\nsecond line\\nthird line)}"
 0:${(f)$(...)}
 >first line