Review changes

Author: KacperFKorban

scaladoc/src/dotty/tools/scaladoc/tasty/comments/Preparser.scala

@@ -35,13 +35,13 @@ object Preparser {
       inCodeBlock: Boolean
     ): PreparsedComment = remaining match {
       case CodeBlockStartRegex(before, marker, after) :: ls if !inCodeBlock =>
-        if (before.trim.nonEmpty && after.trim.nonEmpty && marker == "```")
+        if (!before.trim.isEmpty && !after.trim.isEmpty && marker == "```")
           go(docBody, tags, lastTagKey, before :: (marker + after) :: ls, inCodeBlock = false)
-        else if (before.trim.nonEmpty && after.trim.nonEmpty)
+        else if (!before.trim.isEmpty && !after.trim.isEmpty)
           go(docBody, tags, lastTagKey, before :: marker :: after :: ls, inCodeBlock = false)
-        else if (before.trim.nonEmpty)
+        else if (!before.trim.isEmpty)
           go(docBody, tags, lastTagKey, before :: marker :: ls, inCodeBlock = false)
-        else if (after.trim.nonEmpty && marker != "```")
+        else if (!after.trim.isEmpty && marker != "```")
           go(docBody, tags, lastTagKey, marker :: after :: ls, inCodeBlock = true)
         else lastTagKey match {
           case Some(key) =>
@@ -56,11 +56,11 @@ object Preparser {
         }
 
       case CodeBlockEndRegex(before, marker, after) :: ls =>
-        if (before.trim.nonEmpty && after.trim.nonEmpty)
+        if (!before.trim.isEmpty && !after.trim.isEmpty)
           go(docBody, tags, lastTagKey, before :: marker :: after :: ls, inCodeBlock = true)
-        if (before.trim.nonEmpty)
+        if (!before.trim.isEmpty)
           go(docBody, tags, lastTagKey, before :: marker :: ls, inCodeBlock = true)
-        else if (after.trim.nonEmpty)
+        else if (!after.trim.isEmpty)
           go(docBody, tags, lastTagKey, marker :: after :: ls, inCodeBlock = false)
         else lastTagKey match {
           case Some(key) =>