gettext: smalltalk-format

 
 15.3.16 Smalltalk Format Strings
 --------------------------------
 
    Smalltalk format strings are described in the GNU Smalltalk
 documentation, class ‘CharArray’, methods ‘bindWith:’ and
 ‘bindWithArguments:’.
 <https://www.gnu.org/software/smalltalk/gst-manual/gst_68.html#SEC238>.
 In summary, a directive starts with ‘%’ and is followed by ‘%’ or a
 nonzero digit (‘1’ to ‘9’).