docs: backtick parameter references in API comments

std/arraylist/arraylist.hon

@@ -10,7 +10,7 @@ ArrayList proc($T type) type {
     }
 }
 
-#! retain allocator for later growth and cleanup; this call does not allocate.
+#! retain `allocator` for later growth and cleanup; this call does not allocate.
 init proc($T type, allocator mem.Allocator) ArrayList(T) {
     return ArrayList(T) {
         items = mem.empty(T),

std/hashmap/hashmap.hon

@@ -29,7 +29,7 @@ StringHashMap proc($V type) type {
     return HashMap([]u8, V, str_hash, str_eql)
 }
 
-#! retain allocator for later growth and cleanup; this call does not allocate.
+#! retain `allocator` for later growth and cleanup; this call does not allocate.
 init proc(
     $K, $V type,
     $hash_key proc(key K) usize,

std/mem/mem.hon

@@ -26,7 +26,7 @@ raw_alloc proc(
 }
 
 #! resize caller-owned storage with its original allocator and alignment.
-#! on allocation failure with nonzero new_size, original storage remains caller-owned; release the result with raw_free.
+#! on allocation failure with nonzero `new_size`, original storage remains caller-owned; release the result with raw_free.
 raw_realloc proc(
     allocator Allocator,
     memory ?*mut u8,
@@ -54,7 +54,7 @@ eql proc($T type, left, right []T) bool {
 }
 
 #! assign `value` to each slice element, preserving its typed value rather than repeating a byte.
-#! an empty destination is a no-op.
+#! an empty `destination` is a no-op.
 set proc($T type, destination []mut T, value T) void {
     for (0..destination.len) |i| destination[i] = value
 }