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-rw-r--r--doc/format.n2
1 files changed, 2 insertions, 0 deletions
diff --git a/doc/format.n b/doc/format.n
index ba044f2..4eb566d 100644
--- a/doc/format.n
+++ b/doc/format.n
@@ -89,6 +89,8 @@ For \fBx\fR or \fBX\fR conversions, \fB0x\fR or \fB0X\fR (respectively)
will be added to the beginning of the result unless it is zero.
For \fBb\fR conversions, \fB0b\fR
will be added to the beginning of the result unless it is zero.
+For \fBd\fR conversions, \fB0d\fR will be added to the beginning
+of the result unless it is zero.
For all floating-point conversions (\fBe\fR, \fBE\fR, \fBf\fR,
\fBg\fR, and \fBG\fR) it guarantees that the result always
has a decimal point.