manual: Fix paragraph on addblob commands.

These days we have the AWAITING_DATA sideband designator to distinguish
between normal and addblob commands.

diff --git a/web/manual.m4 b/web/manual.m4
index b7e059785b193ccb67a1c47d34a6d60143b23229..5e58022e5dbfdbe1701871fbd7496f3d410bb978 100644 (file)
--- a/web/manual.m4
+++ b/web/manual.m4
@@ -1289,10 +1289,10 @@ to the database, so they need to transfer data the other way round,
 from the client to the server.
 
 There is no knowledge about the server commands built into para_client,
-so it does not know about addblob commands. Instead, it inspects the
-first data package sent by the server for a magic string. If this
-string was found, it sends STDIN to the server, otherwise it dumps
-data from the server to STDOUT.
+so it does not know about addblob commands. Instead, the server sends
+a special "awaiting data" packet for these commands. If the client
+receives this packet, it sends STDIN to the server, otherwise it
+dumps data from the server to STDOUT.
 
 Streaming protocols
 ~~~~~~~~~~~~~~~~~~~