kangax
diff --git a/‎src/htmlminifier.js‎
Lines changed: 6 additions & 6 deletions b/‎src/htmlminifier.js‎
Lines changed: 6 additions & 6 deletions
@@ -1120,7 +1120,7 @@ function minify(value, options, partialMarkup) {
               }
               if (buffer.length > 1 && (!prevComment || !options.conservativeCollapse && / $/.test(currentChars))) {
                 var charsIndex = buffer.length - 2;
-                buffer[charsIndex] = buffer[charsIndex].replace(/[ \n\r\t\f]+$/, function(trailingSpaces) {
+                buffer[charsIndex] = buffer[charsIndex].replace(/\s+$/, function(trailingSpaces) {
                   text = trailingSpaces + text;
                   return '';
                 });
@@ -1138,7 +1138,7 @@ function minify(value, options, partialMarkup) {
               }
             }
             else if (inlineTextTags(prevTag.charAt(0) === '/' ? prevTag.slice(1) : prevTag)) {
-              text = collapseWhitespace(text, options, /(?:^|[ \n\r\t\f])$/.test(currentChars));
+              text = collapseWhitespace(text, options, /(?:^|\s)$/.test(currentChars));
             }
           }
           if (prevTag || nextTag) {
@@ -1147,7 +1147,7 @@ function minify(value, options, partialMarkup) {
           else {
             text = collapseWhitespace(text, options, true, true);
           }
-          if (!text && /[ \n\r\t\f]$/.test(currentChars) && prevTag && prevTag.charAt(0) === '/') {
+          if (!text && /\s$/.test(currentChars) && prevTag && prevTag.charAt(0) === '/') {
             trimTrailingWhitespace(buffer.length - 1, nextTag);
           }
         }
@@ -1167,18 +1167,18 @@ function minify(value, options, partialMarkup) {
       if (options.removeOptionalTags && text) {
         // <html> may be omitted if first thing inside is not comment
         // <body> may be omitted if first thing inside is not space, comment, <meta>, <link>, <script>, <style> or <template>
-        if (optionalStartTag === 'html' || optionalStartTag === 'body' && !/^[ \n\r\t\f]/.test(text)) {
+        if (optionalStartTag === 'html' || optionalStartTag === 'body' && !/^\s/.test(text)) {
           removeStartTag();
         }
         optionalStartTag = '';
         // </html> or </body> may be omitted if not followed by comment
         // </head>, </colgroup> or </caption> may be omitted if not followed by space or comment
-        if (compactTags(optionalEndTag) || looseTags(optionalEndTag) && !/^[ \n\r\t\f]/.test(text)) {
+        if (compactTags(optionalEndTag) || looseTags(optionalEndTag) && !/^\s/.test(text)) {
           removeEndTag();
         }
         optionalEndTag = '';
       }
-      charsPrevTag = /^[ \n\r\t\f]*$/.test(text) ? prevTag : 'comment';
+      charsPrevTag = /^\s*$/.test(text) ? prevTag : 'comment';
       if (options.decodeEntities && text && !specialContentTags(currentTag)) {
         // semi-colon can be omitted
         // https://mathiasbynens.be/notes/ambiguous-ampersands
Original file line number	Diff line number	Diff line change
`@@ -1120,7 +1120,7 @@ function minify(value, options, partialMarkup) {`
`1120`	`1120`	`}`
`1121`	`1121`	`if (buffer.length > 1 && (!prevComment \|\| !options.conservativeCollapse && / $/.test(currentChars))) {`
`1122`	`1122`	`var charsIndex = buffer.length - 2;`
`1123`		`- buffer[charsIndex] = buffer[charsIndex].replace(/[ \n\r\t\f]+$/, function(trailingSpaces) {`
	`1123`	`+ buffer[charsIndex] = buffer[charsIndex].replace(/\s+$/, function(trailingSpaces) {`
`1124`	`1124`	`text = trailingSpaces + text;`
`1125`	`1125`	`return '';`
`1126`	`1126`	`});`
`@@ -1138,7 +1138,7 @@ function minify(value, options, partialMarkup) {`
`1138`	`1138`	`}`
`1139`	`1139`	`}`
`1140`	`1140`	`else if (inlineTextTags(prevTag.charAt(0) === '/' ? prevTag.slice(1) : prevTag)) {`
`1141`		`- text = collapseWhitespace(text, options, /(?:^\|[ \n\r\t\f])$/.test(currentChars));`
	`1141`	`+ text = collapseWhitespace(text, options, /(?:^\|\s)$/.test(currentChars));`
`1142`	`1142`	`}`
`1143`	`1143`	`}`
`1144`	`1144`	`if (prevTag \|\| nextTag) {`
`@@ -1147,7 +1147,7 @@ function minify(value, options, partialMarkup) {`
`1147`	`1147`	`else {`
`1148`	`1148`	`text = collapseWhitespace(text, options, true, true);`
`1149`	`1149`	`}`
`1150`		`- if (!text && /[ \n\r\t\f]$/.test(currentChars) && prevTag && prevTag.charAt(0) === '/') {`
	`1150`	`+ if (!text && /\s$/.test(currentChars) && prevTag && prevTag.charAt(0) === '/') {`
`1151`	`1151`	`trimTrailingWhitespace(buffer.length - 1, nextTag);`
`1152`	`1152`	`}`
`1153`	`1153`	`}`
`@@ -1167,18 +1167,18 @@ function minify(value, options, partialMarkup) {`
`1167`	`1167`	`if (options.removeOptionalTags && text) {`
`1168`	`1168`	`// <html> may be omitted if first thing inside is not comment`
`1169`	`1169`	`// <body> may be omitted if first thing inside is not space, comment, <meta>, <link>, <script>, <style> or <template>`
`1170`		`- if (optionalStartTag === 'html' \|\| optionalStartTag === 'body' && !/^[ \n\r\t\f]/.test(text)) {`
	`1170`	`+ if (optionalStartTag === 'html' \|\| optionalStartTag === 'body' && !/^\s/.test(text)) {`
`1171`	`1171`	`removeStartTag();`
`1172`	`1172`	`}`
`1173`	`1173`	`optionalStartTag = '';`
`1174`	`1174`	`// </html> or </body> may be omitted if not followed by comment`
`1175`	`1175`	`// </head>, </colgroup> or </caption> may be omitted if not followed by space or comment`
`1176`		`- if (compactTags(optionalEndTag) \|\| looseTags(optionalEndTag) && !/^[ \n\r\t\f]/.test(text)) {`
	`1176`	`+ if (compactTags(optionalEndTag) \|\| looseTags(optionalEndTag) && !/^\s/.test(text)) {`
`1177`	`1177`	`removeEndTag();`
`1178`	`1178`	`}`
`1179`	`1179`	`optionalEndTag = '';`
`1180`	`1180`	`}`
`1181`		`- charsPrevTag = /^[ \n\r\t\f]*$/.test(text) ? prevTag : 'comment';`
	`1181`	`+ charsPrevTag = /^\s*$/.test(text) ? prevTag : 'comment';`
`1182`	`1182`	`if (options.decodeEntities && text && !specialContentTags(currentTag)) {`
`1183`	`1183`	`// semi-colon can be omitted`
`1184`	`1184`	`// https://mathiasbynens.be/notes/ambiguous-ampersands`