Hold on fix for #752.

app/src/processing/app/syntax/PdeTextAreaPainter.java

@@ -326,7 +326,7 @@ public class PdeTextAreaPainter extends TextAreaPainter {
   public String getToolTipText(MouseEvent event) {
     fontMetrics = getFontMetrics();
     int line = event.getY() / fontMetrics.getHeight() + textArea.getFirstLine();
-    if (line >= 0 || line < textArea.getLineCount()) {
+    if (line >= 0 || line < textArea.getLineCount()) {getPreprocessIssues
       List<Problem> problems = getEditor().findProblems(line);
       for (Problem problem : problems) {
         int lineStart = textArea.getLineStartOffset(line);
@@ -338,6 +338,8 @@ public class PdeTextAreaPainter extends TextAreaPainter {
         int startOffset = Math.max(errorStart, lineStart) - lineStart;
         int stopOffset = Math.min(errorEnd, lineEnd) - lineStart;
 
+        System.out.println(lineStart + "\t" + lineEnd + "\t" + errorStart + "\t" + errorEnd + "\t" + startOffset + "\t" + stopOffset);
+
         int x = event.getX();
 
         if (x >= textArea.offsetToX(line, startOffset) &&

java/src/processing/mode/java/ProblemFactory.java

@@ -52,9 +52,8 @@ public class ProblemFactory {
         tab,
         localLine,
         message,
-        lineStart,
-        lineStop,
-        false
+        0,
+        lineStop - lineStart
     );
   }
 
@@ -85,8 +84,7 @@ public class ProblemFactory {
         localLine,
         message,
         0,
-        col,
-        true
+        col
     );
   }