One drawback of escape sequences, when used by people, is the need to memorize the codes that represent individual characters ( see also : character entity reference, numeric character reference ).
42.
While originally most states hesitated to issue more than a million license plates in a straight numeric format, seven alpha / numeric characters are now common in the more populous jurisdictions.
43.
It was later reported that the HTML numeric character reference for the symbol had been posted on / b /, with a request to perform a Google search for the string.
44.
HTML characters manifest either directly as bytes according to document's encoding, if the encoding supports them, or users may write them as numeric character references based on the character's Unicode code point.
45.
The characters that comprise a numeric character reference can be represented in every character encoding used in computing and telecommunications today, so there is no risk of the reference itself being unencodable.
46.
For example, a steganography system could conceal information in an XML document by varying whitespace, attribute quoting and order, the use of hexadecimal vs . decimal numeric character references, and so on.
47.
Right now, the only ones that are blocked are ones that don't have a valid number ( ones with fewer than 7 digits or show non-numeric characters ) and ones I specifically block.
48.
A distinguishing characteristic of the HIBC is that it permits encoding of both alphabetic and numeric characters, thereby providing manufacturers the ability to directly encode their product IDs, many of which are alphanumeric.
49.
Joint bases with a primarily SIGINT mission have SIGADs that begin with USJ . A joint base would have a primary SIGAD in the general form of USJ-NNN, where NNN are numeric characters.
50.
IBM obtained a license on IMR's patents in 1953 and in 1955 contracted with IMR to build a developmental system which was able to read constrained hand printed numeric characters if reasonably well formed.