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-rw-r--r--Doc/Zsh/zftpsys.yo5
1 files changed, 4 insertions, 1 deletions
diff --git a/Doc/Zsh/zftpsys.yo b/Doc/Zsh/zftpsys.yo
index 89d39b985..b2f53810b 100644
--- a/Doc/Zsh/zftpsys.yo
+++ b/Doc/Zsh/zftpsys.yo
@@ -105,7 +105,10 @@ described below.
 Normally, the var(host), var(user) and var(password) are internally
 recorded for later re-opening, either by a tt(zfopen) with no arguments, or
 automatically (see below).  With the option `tt(-1)', no information is
-stored.
+stored.  Also, if an open command with arguments failed, the parameters
+will not be retained (and any previous parameters will also be deleted).
+A tt(zfopen) on its own, or a tt(zftopen -1), never alters the stored
+parameters.
 
 Both tt(zfopen) and tt(zfanon) (but not tt(zfparams)) understand URLs of
 the form tt(ftp://)var(host)/var(path...) as meaning to connect to the