Minor verbiage change in exception messages

jetty-http/src/main/java/org/eclipse/jetty/http/Syntax.java

@@ -68,16 +68,16 @@ public final class Syntax
             // 0x00 - 0x1F are low order control characters
             // 0x7F is the DEL control character
             if ((c <= 0x1F) || (c == 0x7F))
-                throw new IllegalArgumentException(msg + ": Control characters not allowed in RFC2616 token");
+                throw new IllegalArgumentException(msg + ": RFC2616 tokens may not contain control characters");
             if (c == '(' || c == ')' || c == '<' || c == '>' || c == '@'
                     || c == ',' || c == ';' || c == ':' || c == '\\' || c == '"'
                     || c == '/' || c == '[' || c == ']' || c == '?' || c == '='
                     || c == '{' || c == '}' || c == ' ')
             {
-                throw new IllegalArgumentException(msg + ": RFC2616 token may not contain separator character: [" + c + "]");
+                throw new IllegalArgumentException(msg + ": RFC2616 tokens may not contain separator character: [" + c + "]");
             }
             if (c >= 0x80)
-                throw new IllegalArgumentException(msg + ": RFC2616 token characters restricted to US-ASCII range: 0x" + Integer.toHexString(c));
+                throw new IllegalArgumentException(msg + ": RFC2616 tokens characters restricted to US-ASCII: 0x" + Integer.toHexString(c));
         }
     }
     
@@ -113,7 +113,7 @@ public final class Syntax
             // Has starting DQUOTE
             if (valueLen <= 1 || (value.charAt(valueLen - 1) != '"'))
             {
-                throw new IllegalArgumentException("RFC6265 Cookie value must have balanced DQUOTES (if used)");
+                throw new IllegalArgumentException("RFC6265 Cookie values must have balanced DQUOTES (if used)");
             }
             
             // adjust search range to exclude DQUOTES
@@ -127,16 +127,16 @@ public final class Syntax
             // 0x00 - 0x1F are low order control characters
             // 0x7F is the DEL control character
             if ((c <= 0x1F) || (c == 0x7F))
-                throw new IllegalArgumentException("Control characters not allowed in RFC6265 Cookie value");
+                throw new IllegalArgumentException("RFC6265 Cookie values may not contain control characters");
             if ((c == ' ' /* 0x20 */) ||
                     (c == '"' /* 0x2C */) ||
                     (c == ';' /* 0x3B */) ||
                     (c == '\\' /* 0x5C */))
             {
-                throw new IllegalArgumentException("RFC6265 Cookie value may not contain character: [" + c + "]");
+                throw new IllegalArgumentException("RFC6265 Cookie values may not contain character: [" + c + "]");
             }
             if (c >= 0x80)
-                throw new IllegalArgumentException("RFC6265 Cookie value characters restricted to US-ASCII range: 0x" + Integer.toHexString(c));
+                throw new IllegalArgumentException("RFC6265 Cookie values characters restricted to US-ASCII: 0x" + Integer.toHexString(c));
         }
     }
 }