[exim/exim] A patch to add a link to SECTforexpfai where forced expansion failure is referred to before it was discussed (Issue #3220)

The following patch adds a link to SECTforexpfai ( https://code.exim.org/exim/exim/src/commit/371e5210218746e876fd71c888fdb666c85ceb56/doc/doc-docbook/spec.xfpt#L9853 ) where
forced expansion failure is referred to ( https://code.exim.org/exim/exim/src/commit/371e5210218746e876fd71c888fdb666c85ceb56/doc/doc-docbook/spec.xfpt#L8545-L8547 ) before it was discussed.

--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -8543,8 +8543,9 @@ discusses the way to specify empty list items.

If the string expansion is forced to fail, Exim behaves as if the item it is
-testing (domain, host, address, or local part) is not in the list. Other
-expansion failures cause temporary errors.
+testing (domain, host, address, or local part) is not in the list. 
+Forced expansion failure is discussed at &<<SECTforexpfai>>&.  
+Other expansion failures cause temporary errors.

If an item in a list is a regular expression, backslashes, dollars and possibly
other special characters in the expression must be protected against

---
View it on Exim Forgejo ( https://code.exim.org/exim/exim/issues/3220 ) or reply to this email directly.