diff options
Diffstat (limited to 'man/man3')
| -rw-r--r-- | man/man3/printf.3 | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/man/man3/printf.3 b/man/man3/printf.3 index 54a0339ec2..771e2950c8 100644 --- a/man/man3/printf.3 +++ b/man/man3/printf.3 @@ -361,7 +361,7 @@ A overrides a space if both are used. .P The five flag characters above are defined in the C99 standard. -The Single UNIX Specification specifies one further flag character. +POSIX specifies one further flag character. .TP .B \[aq] For decimal conversion @@ -373,19 +373,21 @@ For decimal conversion .BR g , .BR G ) the output is to be grouped with thousands' grouping characters -if the locale information indicates any. -(See -.BR setlocale (3).) -Note that many versions of -.BR gcc (1) -cannot parse this option and will issue a warning. -(SUSv2 did not -include \fI%\[aq]F\fP, but SUSv3 added it.) -Note also that the default locale of a C program is "C" -whose locale information indicates no thousands' grouping character. -Therefore, without a prior call to -.BR setlocale (3), -no thousands' grouping characters will be printed. +as a +.I non-monetary +quantity. +Misleadingly, this isn't necessarily every thousand: +for example Karbi ("mjw_IN"), groups its digits into 3 once, then 2 repeatedly. +Compare +.BR locale (7) +.I grouping +and +.IR thousands_sep , +contrast with +.IR mon_grouping / mon_thousands_sep +and +.BR strfmon (3). +This is a no-op in the default "C" locale. .P glibc 2.2 adds one further flag character. .TP @@ -980,6 +982,9 @@ with C99. .BR vdprintf () GNU, POSIX.1-2008. .P +Issue 4 of the X/Open Portability Guide (SUSv1, 1994) adds +.BR \[aq] . +.P .\" Linux libc4 knows about the five C standard flags. .\" It knows about the length modifiers \fBh\fP, \fBl\fP, \fBL\fP, .\" and the conversions |