This is a regression from PR #4615. The underscore for the last 2 chars in "NUMERO D’IMMATRICULATION" is too bold.

URL: http://www.ameli.fr/fileadmin/user_upload/formulaires/S3706.pdf
1.1.215: https://i.imgur.com/up8Y33j.png
0.8.990: https://i.imgur.com/UioZcLB.png

fc1e2483b433134a538cce0acd0ccc76e335cf5f is the first bad commit
commit fc1e2483b433134a538cce0acd0ccc76e335cf5f
Author: Jonas Jenwald
Date:   Fri Apr 11 20:19:39 2014 +0200

```
Enforce minimum line widths
```

}
    },
    paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {
      if (!this.contentVisible) {
        return;
      }
      this.ctx.fillRect(0, 0, 1, 1);
    },
    
    markPoint: function CanvasGraphics_markPoint(tag) {
      
    },
    markPointProps: function CanvasGraphics_markPointProps(tag, properties) {
      
    },
    beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {
      this.markedContentStack.push({
        visible: true,
      });
    },
    beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(
      tag,
      properties
    ) {
      if (tag === "OC") {
        this.markedContentStack.push({
          visible: this.optionalContentConfig.isVisible(properties),
        });
      } else {
        this.markedContentStack.push({