Markup spec/BNF/Magic links

niggers are bad niggers are nasty fuck all of you

Note that all character-literals on this page are case sensitive (i.e. upper-case characters in the definitions on this page MUST be written in upper case in the markup).

ISBN numbers
See Manual:ISBN

Examples:
 * ISBN 1234567890
 * ISBN 123456789x
 * ISBN                            1 2 3-4-5 6789 X
 * ISBN 978-9999999999

Counter-examples:
 * ISBN 12345678901 (not followed by non-word character )
 * ISBN 123456789 (too short)
 * ISBN 97-81234567890 (dashes not allowed in prefix)
 * ISBN1234567890 (no spaces)

RFCs
See Manual:RFC