2. The computer storage medium of claim 1 , wherein the computer-executable instructions, when executed, perform a further act comprising: k) inferring one or more constraints and one or more anchor points from the source string; and wherein the act e) further comprises displaying the source string based on presenting a visible indicator of at least one portion of the source string that does not satisfy at least one of the one or more inferred constraints.
2. The computer storage medium of claim 1 , wherein the computer-executable instructions, when executed, perform a further act comprising: k) inferring one or more constraints and one or more anchor points from the source string; and wherein the act e) further comprises displaying the source string based on presenting a visible indicator of at least one portion of the source string that does not satisfy at least one of the one or more inferred constraints. 3. The computer storage medium of claim 2 , wherein the computer-executable instructions, when executed, perform a further displaying in act e) comprising presenting a visible indicator of at least one portion of the source string that is associated with at least one of the one or more inferred constraints.