validate_schema: General validation function for a naming schema. Just a...
In antonmalko/ettools: Utility functions for dealing with eye-tracking data

General validation function for a naming schema. Just a wrapper, gathering other validation function in a single place

1 2	validate_schema(schema, tag.delim, component.delim, check.values.for.dups = FALSE)

`schema`	list. List with a schema to be checked
`tag.delim`	character. The character which will be used as a delimiter between component tags and values
`component.delim`	character. The character which will be used as a delimiter between components tags
`check.values.for.dups`	logical. If TRUE, only names are checked (usuful for checking values schemas - values can be duplicater); if FALSE, names and values of the list elements are checked (useful for checking tagging schemas - tags should be unique)