src/java.desktop/share/classes/javax/swing/text/WrappedPlainView.java

*** 362,372 ****
              p = p0 + Utilities.getBreakLocation(segment, metrics,
                                                  tabBase, tabBase + currentWidth,
                                                  this, p0);
          } else {
              p = p0 + Utilities.getTabbedTextOffset(segment, metrics,
!                                                    tabBase, tabBase + currentWidth,
                                                     this, p0, false);
          }
          SegmentCache.releaseSharedSegment(segment);
          return p;
      }
--- 362,373 ----
              p = p0 + Utilities.getBreakLocation(segment, metrics,
                                                  tabBase, tabBase + currentWidth,
                                                  this, p0);
          } else {
              p = p0 + Utilities.getTabbedTextOffset(segment, metrics,
!                                                    (float)tabBase, 
!                                                    (float)(tabBase + currentWidth),
                                                     this, p0, false);
          }
          SegmentCache.releaseSharedSegment(segment);
          return p;
      }
*** 845,856 ****
                      } else {
                          // Determine the offset into the text
                          Segment segment = SegmentCache.getSharedSegment();
                          loadText(segment, p0, p1);
                          int n = Utilities.getTabbedTextOffset(segment, metrics,
!                                                    alloc.x, x,
!                                                    WrappedPlainView.this, p0);
                          SegmentCache.releaseSharedSegment(segment);
                          return Math.min(p0 + n, p1 - 1);
                      }
                  }
              }
--- 846,857 ----
                      } else {
                          // Determine the offset into the text
                          Segment segment = SegmentCache.getSharedSegment();
                          loadText(segment, p0, p1);
                          int n = Utilities.getTabbedTextOffset(segment, metrics,
!                                                    (float)alloc.x, (float)x,
!                                                    WrappedPlainView.this, p0, true);
                          SegmentCache.releaseSharedSegment(segment);
                          return Math.min(p0 + n, p1 - 1);
                      }
                  }
              }