doc/ca: clarify variable size array subscription

(cherry-picked from branch 3.15)
2019-05-09 17:32:05 +02:00
parent fe34c6f35e
commit 8c993405b4
1 changed files with 2 additions and 1 deletions
@@ -3143,7 +3143,8 @@ indicating the current state of the channel.</p>
 <dl>
  <dt><code>COUNT</code></dt>
    <dd>The element count to be read from the specified channel. A count of
-      zero means use the current element count from the server.</dd>
+      zero means use the current element count from the server, effectively
+      resulting in a variable size array subscription.</dd>
 </dl>
 <dl>
  <dt><code>CHID</code></dt>