The ornamental design for a documentfolder, as shown and described.
1.1: Perspective
1.2: Front
1.3: Back
1.4: Top
1.5: Bottom
1.6: Right
1.7: Left
1.8: Enlarged
1.9: Enlarged
1.10: Cross sectional
1.11: Cross sectional
1.12: Perspective View
As shown in the perspective view showing the usage status, the document folder of this article is provided with a pocket for holding the document in the diagonal corner, and a notch is provided on the side of the lower part as the document can be easily taken out; in addition, the upper pocket has a clip inside of it to hold the document; the part to be registered is shown only by the solid line; the part represented by the broken line is not the part of the claimed design in the attached drawing, the alternated long and short dash line shows only the boundary between the part for which the design registration is to be claimed and other parts; fig. 1.1is a perspective view of the Document folder showing the new design; fig. 1.2is a front view thereof; fig. 1.3is a back view thereof; fig. 1.4is a top view thereof; fig. 1.5is a bottom view thereof; fig. 1.6is the right view thereof; fig. 1.7is a left view thereof; fig. 1.8is an enlarged view of the part that is to be registered as a design in the upper center of fig. 1.2; fig. 1.9is an enlarged view of the part on the lower right side of fig. 1.2that is to be registered; fig. 1.10is a vertical cross-sectional view taken along 28 percent from the left in fig. 1.8; fig. 1.11is a vertical cross-sectional view taken along 85 percent from the bottom in fig. 1.6; fig. 1.12is a perspective view showing how to use this article and the broken line is for the purpose of illustrating portion of the environmental structure and forms no part of the claimed design.