Octave of Easter disciples, with Thomas the Apostle present, on the Sunday following his resurrection. A traditional name in English is Low Sunday, perhaps given this name because of the contrast with the high festival of Easter on the preceding Sunday, or the word "Low" may be a corruption of Latin "Laudes", the first word of a sequence in use in the Sarum Rite. Another name is Quasimodo Sunday, from the first words of the introit in Latin. Easter Week was known as "ebdomada alba" (white week) or "in albis" (in white), because of the white robes that those who had been baptized
Domain Name System the name. Although no technical limitation exists to use any character in domain name labels which are representable by an octet, hostnames use a preferred format and character set. The characters allowed in labels are a subset of the ASCII character set, consisting of characters "a" through "z", "A" through "Z", digits "0" through "9", and hyphen. This rule is known as the "LDH rule" (letters, digits, hyphen). Domain names are interpreted in case-independent manner. Labels may not start or end with a hyphen. An additional rule requires that top-level domain names should not be all-numeric. The limited set of