Created attachment 22064 [details]
The input ppt -- see slide 1 before running

Hello:

If you run the code below:
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package hslf;

import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.poi.hslf.HSLFSlideShow;
import org.apache.poi.hslf.model.Shape;
import org.apache.poi.hslf.model.Slide;
import org.apache.poi.hslf.model.TextBox;
import org.apache.poi.hslf.usermodel.RichTextRun;
import org.apache.poi.hslf.usermodel.SlideShow;

public class InsertText {
    public InsertText() {
    }

    public static void main(String[] args) throws IOException {
        InsertText insertText = new InsertText();
        insertText.insertText();
    }
    
    public void insertText() throws IOException {
        SlideShow ppt = new SlideShow(new HSLFSlideShow("c:/test/bug2.ppt"));
        Slide slide1 = ppt.getSlides()[1];
        
        TextBox res = new TextBox();
        res.setAnchor(new java.awt.Rectangle(60, 150, 700, 100));
        res.setText("I am italic-false, bold-true inserted text");
        res.setHorizontalAlignment(TextBox.AlignLeft);
        res.setVerticalAlignment(TextBox.AlignCenter);
        
        RichTextRun rt2 = res.getTextRun().getRichTextRuns()[0];
        rt2.setFontSize(32);
        rt2.setItalic(false);
        rt2.setBulletOffset(0);
        rt2.setBold(true);
        rt2.setBullet(true);
        rt2.setBulletChar('\u00B7');
        rt2.setFontName("Arial Narrow");
        
        slide1.addShape(res);        
 
        FileOutputStream out = new FileOutputStream("c:/test/bug2.ppt");
        ppt.write(out);
        out.close(); 
    }
    
}
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the inserted text will not be bold and will be italic.  In addition, all text on every slide that was bold and not italic loses its boldness and becomes italic.
For example, the text on slide 1 in bug.ppt reacts this way when text is inserted on slide 2.

Eric Hamacher