Discard implementation of %L and %U format specifiers, now never used.

adventure.yaml

@@ -108,18 +108,9 @@
 # Message strings may include certain special character sequences to
 # denote that the program must provide parameters to insert into a
 # message when the message is printed.  These sequences are:
+#       %d = an integer
+#       %s = an ASCII string
 #	%S = The letter 'S' or nothing (if a given value is exactly 1)
-#	%W = A word (up to 10 characters)
-#	%L = A word mapped to lower-case letters
-#	%U = A word mapped to upper-case letters
-#	%C = A word mapped to lower-case, first letter capitalised
-#	%T = Several words of text, ending with a word of -1
-#	%1 = A 1-digit number
-#	%2 = A 2-digit number
-#	...
-#	%9 = A 9-digit number
-#	%B = Variable number of blanks
-#	%! = The entire message should be suppressed
 #	%V = substitute program version string
 
 motions: !!omap

misc.c

@@ -190,20 +190,6 @@ void vspeak(const char* msg, bool blank, va_list ap)
                 size -= len;
             }
 
-            // All-lowercase specifier.
-            if (msg[i] == 'L' ||
-                msg[i] == 'C') {
-                packed_to_token(arg, renderp); /* unpack directly to destination */
-                int len = strlen(renderp);
-                for (int j = 0; j < len; ++j) {
-                    renderp[j] = tolower(renderp[j]);
-                }
-                if (msg[i] == 'C') // First char uppercase, rest lowercase.
-                    renderp[0] = toupper(renderp[0]);
-                renderp += len;
-                size -= len;
-            }
-
             previous_arg = arg;
         }
     }