From 6c617c967099ff72bb8785eed56d66737ce072fb Mon Sep 17 00:00:00 2001 From: Eicke Herbertz Date: Thu, 4 Jan 2024 19:35:55 +0100 Subject: [PATCH] Update documentation (#3789) Add a note about the numerical zero being ignored when an alignment flag is present in the format specifier. This change was introduced in a585571e90e7f5645bcf6548cef42078db940f49 to be compatible with std::format, but misses documentation. --- doc/syntax.rst | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/doc/syntax.rst b/doc/syntax.rst index 3c21902c..faea17b5 100644 --- a/doc/syntax.rst +++ b/doc/syntax.rst @@ -153,7 +153,8 @@ Preceding the *width* field by a zero (``'0'``) character enables sign-aware zero-padding for numeric types. It forces the padding to be placed after the sign or base (if any) but before the digits. This is used for printing fields in the form '+000000120'. This option is only valid for numeric types and it has no -effect on formatting of infinity and NaN. +effect on formatting of infinity and NaN. This option is ignored when any +alignment specifier is present. The *precision* is a decimal number indicating how many digits should be displayed after the decimal point for a floating-point value formatted with