4. The document editing device according to claim 1 , wherein the control module individually converts the character decoration type of character strings, the character strings being determined by the search to be set with the character decoration type identical to the search-target, into a conversion character decoration type specified by an operation of the operation module by the user.
4. The document editing device according to claim 1 , wherein the control module individually converts the character decoration type of character strings, the character strings being determined by the search to be set with the character decoration type identical to the search-target, into a conversion character decoration type specified by an operation of the operation module by the user. 5. The document editing device according to claim 4 , wherein the control module displays a warning message on the display module if a plurality of character decoration types are set to the character strings, the character strings being determined by the search to be set with the character decoration type identical to the search-target, and a character decoration type that is incompatible with the conversion character decoration type is included in the plurality of character decoration types.