1 files changed, 6 insertions, 0 deletions
diff --git a/src/fmt.cff b/src/fmt.cff
index 91f13d8..8c0f6a4 100644
--- a/src/fmt.cff
+++ b/src/fmt.cff
@@ -211,6 +211,8 @@ extern fn vpfmt(proc *fn(u8, *void) void, parg *void, fmt *const u8, ap va_list)
       let quote = #f;
       for ;; {
          switch (c = *++fmt) {
+         case '%';
+            fprintf(stderr, "%%");
          case 'q';
             quote = #t;
             continue;
@@ -223,6 +225,10 @@ extern fn vpfmt(proc *fn(u8, *void) void, parg *void, fmt *const u8, ap va_list)
          case 'z';
             sprintf(buf, "%zu", ap->arg(usize));
             ps(buf);
+         case 'f';
+            sprintf(buf, "%.17f", ap->arg(f64));
+            ps(buf);
+
          case 'p';
             sprintf(buf, "%p", ap->arg(*void));
             ps(buf);