From: Jeremy Harris Date: Thu, 14 Apr 2016 12:35:38 +0000 (+0100) Subject: Docs: add note on list-splitting X-Git-Tag: exim-4_88_RC1~119 X-Git-Url: https://vcs.fsf.org/?a=commitdiff_plain;h=c4277da6a71f2229077063796cea96d6adf5518a;p=exim.git Docs: add note on list-splitting --- diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index 15e36f7ac..db5a24553 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -7773,7 +7773,14 @@ domain, host, address and local part lists. .section "Expansion of lists" "SECTlistexpand" .cindex "expansion" "of lists" -Each list is expanded as a single string before it is used. The result of +Each list is expanded as a single string before it is used. + +.new +&'Exception: the router headers_remove option, where list-item +splitting is done before string-expansion.'& +.wen + +The result of expansion must be a list, possibly containing empty items, which is split up into separate items for matching. By default, colon is the separator character, but this can be varied if necessary. See sections &<>& and