133   this.ch = '\0';
138   var ch = s.charAt(i);
139   if ('&' == ch) {
145         ch = '<';
147         ch = '>';
149         ch = '"';
151         ch = '\'';
153         ch = '&';
160   this.ch = ch;
161   return this.ch;
166 function PR_isWordChar(ch) {  argument
167   return (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z');
170 function PR_isIdentifierStart(ch) {  argument
171   return PR_isWordChar(ch) || ch == '_' || ch == '$' || ch == '@';
174 function PR_isIdentifierPart(ch) {  argument
175   return PR_isIdentifierStart(ch) || PR_isDigitChar(ch);
178 function PR_isSpaceChar(ch) {  argument
179   return "\t \r\n".indexOf(ch) >= 0;
182 function PR_isDigitChar(ch) {  argument
183   return ch >= '0' && ch <= '9';
232     var ch = s.charAt(i);
235         if ('<' == ch) { state = 1; }
239         if ('/' == ch) { state = 2; }
240         else if (PR_isWordChar(ch)) { state = 3; }
241         else if ('<' == ch) { state = 1; }
245         if (PR_isWordChar(ch)) { state = 3; }
246         else if ('<' == ch) { state = 1; }
250         if ('>' == ch) {
284       var ch = s.charAt(i);
287           if ('&' == ch) { state = 1; }
290           if ('#' == ch || PR_isWordChar(ch)) {
298           if (';' == ch) {
415       var ch = decodeHelper.ch;
421           if ('<' == ch) { state = 1; }
425           if ('/' == ch) {  // only consider close tags if we're in script/style
428             if ('!' == ch) {
430             } else if (PR_isWordChar(ch)) {
432             } else if ('?' == ch) {
434             } else if ('%' == ch) {
436             } else if ('<' != ch) {
439           } else if ('<' != ch) {
444           if ('-' == ch) {
446           } else if (PR_isWordChar(ch)) {
448           } else if ('<' == ch) {
455           if ('>' == ch) {
461           if ('-' == ch) { state = 5; }
464           if ('-' == ch) { state = 6; }
467           if ('>' == ch) {
470           } else if ('-' == ch) {
477           if (PR_isWordChar(ch)) {
479           } else if ('<' == ch) {
486           if ('>' == ch) {
492           if ('?' == ch) { state = 10; }
495           if ('>' == ch) {
498           } else if ('?' != ch) {
503           if ('%' == ch) { state = 12; }
506           if ('>' == ch) {
509           } else if ('%' != ch) {
516         tokenChars[tokenCharsI++] = ch.toLowerCase();
572         var ch = s.charAt(i);
574           if (ch == '"' || ch == '\'' || ch == '`') {
577             delim = ch;
578           } else if (ch == '/') {
580           } else if (ch == '#') {
585           if (ch == delim) {
588           } else if (ch == '\\') {
594           if (ch == '/') {
597           } else if (ch == '*') {
607           if (ch == '\r' || ch == '\n') {
612           if (ch == '*') {
616           if (ch == '/') {
619           } else if (ch != '*') {
639     var ch = s.charAt(i);
651         if (PR_isIdentifierStart(ch)) {
653         } else if (PR_isDigitChar(ch)) {
655         } else if (!PR_isSpaceChar(ch)) {
665         if (!PR_isIdentifierPart(ch)) {
676         if (!(PR_isDigitChar(ch) || PR_isWordChar(ch) || ch == '_')) {
681         if (PR_isIdentifierStart(ch) || PR_isDigitChar(ch) ||
682             PR_isSpaceChar(ch)) {
774         var ch = decodeHelper.ch;
779         if (ch == '>') {
787               if ('<' == ch) { state = 1; }
790               if (PR_isSpaceChar(ch)) { state = 2; }
793               if (!PR_isSpaceChar(ch)) {
800               if ('=' == ch) {
804               } else if (PR_isSpaceChar(ch)) {
811               if ('=' == ch) {
813               } else if (!PR_isSpaceChar(ch)) {
820               if ('"' == ch || '\'' == ch) {
824                 delim = ch;
825               } else if (!PR_isSpaceChar(ch)) {
832               if (ch == delim) {
839               if (PR_isSpaceChar(ch)) {
898           if ('%' == decodeHelper.ch || '?' == decodeHelper.ch) {
899             endScriptTag = decodeHelper.ch;