Why does ^M represent a carriage return?

Posted by dotancohen on Super User See other posts from Super User or by dotancohen
Published on 2014-06-05T08:31:31Z Indexed on 2014/06/05 9:30 UTC
Read the original article Hit count: 142

Filed under:

encoding

Why is ^M used to represent a carriage return in VIM and other contexts? My guess is that M is the 13th letter of the Latin alphabet and a carriage return is \x0D or decimal 13. Is this the reason? Is this representation documented anywhere?

EDIT: I notice that Tab is represented by ^I, which is the ninth letter of the Latin alphabet. Conversely, Tab is \x09 or decimal 9, which supports my theory stated above. However, where might this be documented as fact?

Related posts about encoding

<?xml version=“1.0” encoding=“UTF-8”?> not <?xml version='1.0' encoding='UTF-8'?>

as seen on Stack Overflow - Search for 'Stack Overflow'
I am using lxml with tree.write(xmlFileOut, pretty_print = True, xml_declaration = True, encoding='UTF-8' to write out my opened and edited xml file, but I absolutely need to have the xml declaration as <?xml version=“1.0” encoding=“UTF-8”?> and NOT <?xml version='1.0' encoding='UTF-8'… >>> More
Ivar definitions show 'long' type encoding as 'long long' type encoding

as seen on Stack Overflow - Search for 'Stack Overflow'
I've found what I think may be a bug with Ivar and Objective-C runtime. I'm using XCode 3.2.1 and associated libraries, developing a 64 bit app on X86_64 (MacBook Pro). Where I would expect the type encoding for the following "longVal" to be 'l', the Ivar encoding is showing a 'q' (which is a 'long… >>> More
How to avoid encoding the key of request parameters being encoding

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm trying to send a http request using WS.url() with a action receive a custom class parameter like public static void add(@Valid MyPage info) {...} There is a Map in MyPage @Required public Map<String, String> content = new HashMap<String, String>(); But When I try to send a request… >>> More
C# Check if character exists in encoding

as seen on Stack Overflow - Search for 'Stack Overflow'
I am writing a program that a part renders a bitmap font in CP437. In a function that renders the text with I want to be able to check whether a char is available in CP437 before the encoding conversion, like: public static void DrawCharacter(this Graphics g, char c) { if (char_exist_in_encoding(Encoding… >>> More
How to detect the character encoding of a text file?

as seen on Stack Overflow - Search for 'Stack Overflow'
I try to detect which character encoding is used in my file. I try with this code to get the standard encoding public static Encoding GetFileEncoding(string srcFile) { // *** Use Default of Encoding.Default (Ansi CodePage) Encoding enc = Encoding.Default; // *** Detect byte… >>> More

Developer IT

Why does ^M represent a carriage return? - Developer IT

Why does ^M represent a carriage return?

encoding

Related posts about encoding

<?xml version=“1.0” encoding=“UTF-8”?> not <?xml version='1.0' encoding='UTF-8'?>

Ivar definitions show 'long' type encoding as 'long long' type encoding

How to avoid encoding the key of request parameters being encoding

C# Check if character exists in encoding

How to detect the character encoding of a text file?

Categories cloud