What is an xs:NCName type and when should it be used?

Question

I ran one of my xml files through a schema generator and everything generated was what was expected, with the exception of one node:

Answer 1

Practically speaking...

Allowed characters: -, ., 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, _, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z

Also, - and . cannot be used as the first character of the value.

Disallowed characters: , !, ", #, $, %, &, ', (, ), *, +, ,, /, :, ;, <, =, >, ?, @, [, \, ], ^, `, {, |, }, ~