12. The computer-readable storage medium of claim 11 wherein the operation of renaming at least one named form field comprises: renaming all named form fields in at least one of the electronic form instances of the selection to be unique across the selection of electronic form instances.
11. A computer-readable storage medium encoding a computer program for executing a computer process on a computer system, the computer process comprising: receiving a selection of electronic form instances to be merged into a bundled electronic form instance, each electronic form instance including at least one named form field and at least one script referencing the at least one named form field; renaming at least one named form field in at least one of the electronic form instances of the selection to be unique across the selection of electronic form instances; renaming one or more references to the named form field in the at least one script in the at least one of the electronic form instances of the selection to match the renamed form field; merging the selection of electronic form instances into the bundled electronic form instance, responsive to the renaming operations.