7. The album editing apparatus of claim 1 , wherein the size threshold values in the warning management table further include a permissible zoom size ratio, wherein the computing unit further is configured, after a size of a first image from a first image file of a first album is edited and changed to produce an edited first image and the image editing processing has been terminated, to compute an actual zoom size ratio that accounts for a change in image size resulting from a magnification or reduction of an image, wherein the determining unit further is configured to determine whether the actual zoom size ratio is smaller than the permissible zoom size ratio, and wherein the warning unit further is configured, in response to the actual zoom size ratio being larger than the permissible zoom size ratio, to refrain from giving a same content warning, and, in response to the actual zoom size ratio being smaller than to the permissible zoom size ratio, to give a same content warning that is configured to warn a user that same images are displayed in plural image areas within the album.
7. The album editing apparatus of claim 1 , wherein the size threshold values in the warning management table further include a permissible zoom size ratio, wherein the computing unit further is configured, after a size of a first image from a first image file of a first album is edited and changed to produce an edited first image and the image editing processing has been terminated, to compute an actual zoom size ratio that accounts for a change in image size resulting from a magnification or reduction of an image, wherein the determining unit further is configured to determine whether the actual zoom size ratio is smaller than the permissible zoom size ratio, and wherein the warning unit further is configured, in response to the actual zoom size ratio being larger than the permissible zoom size ratio, to refrain from giving a same content warning, and, in response to the actual zoom size ratio being smaller than to the permissible zoom size ratio, to give a same content warning that is configured to warn a user that same images are displayed in plural image areas within the album. 9. The album editing apparatus of claim 7 , wherein the computing unit computes the actual zoom size ratio by (i) computing a first magnification ratio of the edited first image that represents a change in scale of the edited first image relative to a base original image, (ii) computing a second magnification ratio of the second image that represents a change in scale of the second image relative to the base original image, and (iii) computing the actual zoom size ratio by dividing the larger of the first magnification ratio and the second magnification ratio by the smaller of the first magnification ratio and the second magnification ratio.