justify the current max instruction length

this is also checked by a new fuzz target

1 files changed, 1 insertions, 3 deletions

diff --git a/src/protected_mode/display.rs b/src/protected_mode/display.rs
index db12878..321b5b5 100644
--- a/src/protected_mode/display.rs
+++ b/src/protected_mode/display.rs
@@ -2955,9 +2955,7 @@ mod buffer_sink {
         /// settings format instructions identically to their corresponding `fmt::Display`.
         pub fn new() -> Self {
             let mut buf = alloc::string::String::new();
-            // TODO: move 512 out to a MAX_INSTRUCTION_LEN const and appropriate justification (and
-            // fuzzing and ..)
-            buf.reserve(512);
+            buf.reserve(crate::MAX_INSTRUCTION_LEN);
             Self {
                 content: buf,
             }