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-rw-r--r--doc/src/sgml/ref/psql-ref.sgml3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml
index a47af51b9dd..4b5e5274e5a 100644
--- a/doc/src/sgml/ref/psql-ref.sgml
+++ b/doc/src/sgml/ref/psql-ref.sgml
@@ -2450,7 +2450,8 @@ testdb=&gt; <userinput>\setenv LESS -imx4F</userinput>
Escapes to a separate Unix shell or executes the Unix command
<replaceable class="parameter">command</replaceable>. The
arguments are not further interpreted; the shell will see them
- as-is.
+ as-is. In particular, the variable substitution rules and
+ backslash escapes do not apply.
</para>
</listitem>
</varlistentry>