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| -rw-r--r-- | doc/doc-docbook/spec.xfpt | 9 |
1 files changed, 8 insertions, 1 deletions
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 &<<SECTlistconstruct>>& and |