diff options
Diffstat (limited to 'src/editfns.c')
| -rw-r--r-- | src/editfns.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/src/editfns.c b/src/editfns.c index 612893c377b..65c0c721d11 100644 --- a/src/editfns.c +++ b/src/editfns.c @@ -3865,12 +3865,14 @@ The format control string may contain %-sequences meaning to substitute the next available argument: %s means print a string argument. Actually, prints any object, with `princ'. -%d means print as number in decimal (%o octal, %x hex). +%d means print as signed number in decimal. +%o means print as unsigned number in octal, %x as unsigned number in hex. %X is like %x, but uses upper case. %e means print a number in exponential notation. %f means print a number in decimal-point notation. -%g means print a number in exponential notation - or decimal-point notation, whichever uses fewer characters. +%g means print a number in exponential notation if the exponent would be + less than -4 or greater than or equal to the precision (default: 6); + otherwise it prints in decimal-point notation. %c means print a number as a single character. %S means print any object as an s-expression (using `prin1'). @@ -3893,8 +3895,10 @@ The - and 0 flags affect the width specifier, as described below. The # flag means to use an alternate display form for %o, %x, %X, %e, %f, and %g sequences: for %o, it ensures that the result begins with \"0\"; for %x and %X, it prefixes the result with \"0x\" or \"0X\"; -for %e, %f, and %g, it causes a decimal point to be included even if -the precision is zero. +for %e and %f, it causes a decimal point to be included even if the +the precision is zero; for %g, it causes a decimal point to be +included even if the the precision is zero, and also forces trailing +zeros after the decimal point to be left in place. The width specifier supplies a lower limit for the length of the printed representation. The padding, if any, normally goes on the @@ -3903,10 +3907,12 @@ character is normally a space, but it is 0 if the 0 flag is present. The 0 flag is ignored if the - flag is present, or the format sequence is something other than %d, %e, %f, and %g. -For %e, %f, and %g sequences, the number after the "." in the -precision specifier says how many decimal places to show; if zero, the -decimal point itself is omitted. For %s and %S, the precision -specifier truncates the string to the given width. +For %e and %f sequences, the number after the "." in the precision +specifier says how many decimal places to show; if zero, the decimal +point itself is omitted. For %g, the precision specifies how many +significant digits to print; zero or omitted are treated as 1. +For %s and %S, the precision specifier truncates the string to the +given width. Text properties, if any, are copied from the format-string to the produced text. |