It looks like people have reimplemented capitalize in some libs:
D:\dev\lib\D\boxen\src\xf\utils\CT.d:25:pragma(ctfe) char[]
capitalize(char[] name) {
D:\dev\lib\D\boxen\src\xf\xpose2\MiniD.d:51:pragma(ctfe) private
char[] capitalizeFirst(char[] str) {
D:\dev\lib\D\boxen\src\xf\xpose2\MiniD.d:62: return "set" ~
capitalizeFirst(name);
D:\dev\lib\D\boxen\src\xf\xpose2\Utils.d:25:pragma(ctfe) char[]
capitalize(char[] name) {
And I found a match here:
D:\dev\lib\D\enticesource\plugins.d:2317: s =
std.string.capitalize(s);
I've found no match for capwords though.