doc: Fix regression in macro handling

--

The way macros are handled seem to have changed since 2008.  Fix that:

Reported-by: dkg@fifthhorseman.net
Signed-off-by: Werner Koch <wk@gnupg.org>

doc/gpgme.texi

@@ -31,11 +31,11 @@ General Public License for more details.
 @end copying
 
 @c Macros used by the description of the UI server protocol
-@macro clnt
-  @sc{c:} @c
+@macro clnt{string}
+  @sc{c:} \string\
 @end macro
-@macro srvr
-  @sc{s:} @c
+@macro srvr{string}
+  @sc{s:} \string\
 @end macro
 
 

doc/uiserver.texi

@@ -158,21 +158,21 @@ indicated by a @sc{c:}, server responses by @sc{c:}:
 
 @smallexample
 @group
-  @clnt RESET
-  @srvr OK
-  @clnt RECIPIENT foo@@example.net
-  @srvr OK
-  @clnt RECIPIENT bar@@example.com
-  @srvr OK
-  @clnt PREP_ENCRYPT
-  @srvr S PROTOCOL OpenPGP
-  @srvr OK
-  @clnt INPUT FD=17
-  @srvr OK
-  @clnt OUTPUT FD=18
-  @srvr OK
-  @clnt ENCRYPT
-  @srvr OK
+  @clnt{RESET}
+  @srvr{OK}
+  @clnt{RECIPIENT foo@@example.net}
+  @srvr{OK}
+  @clnt{RECIPIENT bar@@example.com}
+  @srvr{OK}
+  @clnt{PREP_ENCRYPT}
+  @srvr{S PROTOCOL OpenPGP}
+  @srvr{OK}
+  @clnt{INPUT FD=17}
+  @srvr{OK}
+  @clnt{OUTPUT FD=18}
+  @srvr{OK}
+  @clnt{ENCRYPT}
+  @srvr{OK}
 @end group
 @end smallexample