Additional format examples

Table 1. Number formatting examples
Input	Action	Syntax	Output
1234	Separate thousands by commas.	`,`	`1,234`
1234	Show $ value with commas.	`$`,	`$1,234`
0.123	Show % value with 2 decimal points of precision.	`.2%`	`12.30%`
12345	Display SI syntax.	`.2s`	`12k`
123	Show precision to 2 decimal places.	`.2f`	`123.00`
123	Include zero-padding for fixed width of 7.	`07.2f`	`0123.00`
123	Set sign for positive or negative values with precision to 2 decimal points.	`+.2f`	`+123.00`