clarify docs on ImportVar (that's for you, mog :p)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5647 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/pbx.c b/pbx.c
index 3bbbe90810bd38e89d1470950e641697d681d7fa..0bbf271527172d2eebfef51693a36d454b786fc8 100755 (executable)
--- a/pbx.c
+++ b/pbx.c
@@ -440,10 +440,16 @@ static struct pbx_builtin {
        },
 
        { "ImportVar", pbx_builtin_importvar,
-       "Set variable to value",
-       "  ImportVar(#n=channel|variable): Sets variable n to variable as evaluated on\n"
-       "the specified channel (instead of current). If prefixed with _, single\n"
-       "inheritance assumed. If prefixed with __, infinite inheritance is assumed.\n" },
+       "Import a variable from a channel into a new variable",
+       "  ImportVar(newvar=channelname|variable): This application imports a\n"
+       "variable from the specified channel (as opposed to the current one)\n"
+       "and stores it as a variable in the current channel (the channel that\n"
+       "is calling this application). If the new variable name is prefixed by\n"
+       "a single underscore \"_\", then it will be inherited into any channels\n"
+       "created from this one. If it is prefixed with two underscores,then\n"
+       "the variable will have infinite inheritance, meaning that it will be\n"
+       "present in any descendent channel of this one.\n"
+       },
 
        { "StripMSD", pbx_builtin_stripmsd,
        "Strip leading digits",