1. define input fields in html template of choice
2. validate form/struct/whatever and prepare errror messages per field
3. redisplay html with field-level errors to let user correct its input
step 3. is the interesting and missing in most examples of newer webframeworks
1. define input fields in html template of choice
2. validate form/struct/whatever and prepare errror messages per field
3. redisplay html with field-level errors to let user correct its input
step 3. is the interesting and missing in most examples of newer webframeworks