Module validation 

Validation utilities to eliminate code duplication

Functions

conditional_error

Create validation error messages from a condition and message

conditional_suggestion

Create validation suggestion messages from a condition and message

conditional_suggestions

Create multiple validation suggestions from conditions and messages

format_validation_error

Format validation error with content type prefix

format_validation_suggestion

Format validation suggestion with content type prefix

single_error

Create a single validation error message

single_suggestion

Create a single validation suggestion message