15021: new %y character; %l semantic back

ChangeLog

@@ -1,5 +1,8 @@
 2001-06-22  Andrej Borsenkow  <bor@zsh.org>
 
+	* 15021: Src/prompt.c, Doc/Zsh/prompt.yo: revert to old %l
+	semantic; add new %y character instead as suggested by Wayne
+
 	* 15038: Test/A01grammar.ztst: test case for 15023.
 	(unposted) fix a couple of typos in test decriptions
 

Doc/Zsh/prompt.yo

@@ -120,7 +120,12 @@ tt(%K)/tt(%L) correspond to tt(%k)/tt(%l) for the hour of the day
 (24/12 hour clock) in the same way.
 )
 item(tt(%l))(
-The line (tty) the user is logged in on.
+The line (tty) the user is logged in on without tt(/dev/) prefix.
+If name starts with tt(/dev/tty) this is stripped.
+)
+item(tt(%y))(
+The line (tty) the user is logged in on without tt(/dev/) prefix.
+It does not treat tt(/dev/tty*) specially.
 )
 item(tt(%?))(
 The return code of the last command executed just before the prompt.

Src/prompt.c

@@ -514,6 +514,14 @@ putpromptchar(int doprint, int endchar)
 		stradd(get_username());
 		break;
 	    case 'l':
+		if (*ttystrname) {
+                   ss = (strncmp(ttystrname, "/dev/tty", 8) ?
+                           ttystrname + 5 : ttystrname + 8);
+		    stradd(ss);
+		} else
+		    stradd("()");
+		break;
+	    case 'y':
 		if (*ttystrname) {
 		    ss = (strncmp(ttystrname, "/dev/", 5) ?
 			    ttystrname : ttystrname + 5);