Better "constant" variable naming in mimeparser

lib/mimeparser.js

@@ -10,7 +10,7 @@ var CR = 13,
     COLON = 58,
     SPACE = 32,
     TAB = 9,
-    RE_FOLD = /\r\n\s+/g;
+    REGEXP_FOLD = /\r\n\s+/g;
 
 var MIMEParser = module.exports = function() {
   this._state = PARSE_HEADER_NAME;
@@ -19,8 +19,9 @@ var MIMEParser = module.exports = function() {
   this._sawCR = false;
   this._sawLF = false;
   this._needUnfold = false;
-}
+};
 inherits(MIMEParser, EventEmitter);
+
 MIMEParser.prototype.execute = function(b, start, end) {
   if (this._state == PARSE_BODY) {
     var chunk;
@@ -96,7 +97,7 @@ MIMEParser.prototype.execute = function(b, start, end) {
       else if (finished) {
         this._hdrval += b.toString('ascii', start, (i < end ? i - 2 : end));
         if (this._needUnfold)
-          this._hdrval = this._hdrval.replace(RE_FOLD, ' ');
+          this._hdrval = this._hdrval.replace(REGEXP_FOLD, ' ');
         this.emit('header', this._hdrname, this._hdrval.trim());
         this._hdrname = '';
         this._hdrval = '';
@@ -111,6 +112,7 @@ MIMEParser.prototype.execute = function(b, start, end) {
     }
   }
 };
+
 MIMEParser.prototype.finish = function() {
   this._state = PARSE_HEADER_NAME;
   this._hdrname = '';