10. A computing device comprising: at least one processor; and a memory configured to store instructions that, when executed, cause the at least one processor to: output, for display at a display device operably coupled to the computing device, a graphical keyboard comprising a plurality of keys; receive, an indication of a gesture detected at a region of a presence-sensitive input device that is associated with a location of the display device at which the plurality of keys are displayed; determine, based at least in part on the indication of the gesture, a character string that is not included in a lexicon; determine, based on the character string, a candidate word or phrase from the lexicon; determine whether a category of text input associated with the character string is a particular category of text input; if the category of text input associated with the character string is the particular category of text input, output, for display at the display device, the character string; and if the category of text input associated with the character string is not the particular category of text input, output, for display at the display device, the candidate word or phrase from the lexicon.
10. A computing device comprising: at least one processor; and a memory configured to store instructions that, when executed, cause the at least one processor to: output, for display at a display device operably coupled to the computing device, a graphical keyboard comprising a plurality of keys; receive, an indication of a gesture detected at a region of a presence-sensitive input device that is associated with a location of the display device at which the plurality of keys are displayed; determine, based at least in part on the indication of the gesture, a character string that is not included in a lexicon; determine, based on the character string, a candidate word or phrase from the lexicon; determine whether a category of text input associated with the character string is a particular category of text input; if the category of text input associated with the character string is the particular category of text input, output, for display at the display device, the character string; and if the category of text input associated with the character string is not the particular category of text input, output, for display at the display device, the candidate word or phrase from the lexicon. 11. The computing device of claim 10 , wherein the computing device comprises at least one of the display device or the presence-sensitive input device.