Commit: patch 9.2.0953: insert completion code can be improved

[Christian Brabandt]

patch 9.2.0953: insert completion code can be improved

Commit: https://github.com/vim/vim/commit/4dde4afa1d188d92aa7ae91db43956bd83aad758
Author: Hirohito Higashi <h.eas...@gmail.com>
Date: Wed Aug 12 20:17:36 2026 +0000

patch 9.2.0953: insert completion code can be improved

Problem: The duplicate-check hashtab in insexpand.c has comments that
do not add anything to what the code says (after v9.2.0909).
Solution: Drop the redundant comments.

related: #20926
closes: #21027

Co-Authored-By: Claude Opus 5 (1M context) <nor...@anthropic.com>
Signed-off-by: Hirohito Higashi <h.eas...@gmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/src/insexpand.c b/src/insexpand.c
index b12f69eb0..203ea6fc3 100644
--- a/src/insexpand.c
+++ b/src/insexpand.c
@@ -137,11 +137,9 @@ static compl_T *compl_shown_match = NULL;
static compl_T *compl_old_match = NULL;

// Hashtab with the strings of the matches in the list above, except the
-// original-text entries. Used to make the duplicate check O(1) instead of
-// a scan of the whole list. Each entry owns a copy of the string and
-// counts the matches with that string, so that when matches were added
-// with "adup" the entry remains until the last match with the string is
-// removed.
+// original-text entries. Each entry owns a copy of the string and counts
+// the matches with that string, so that when matches were added with "adup"
+// the entry remains until the last match with the string is removed.
typedef struct
{
int cse_count; // number of matches with this string
@@ -155,8 +153,7 @@ static hashtab_T compl_strings_ht;

/*
* Count the string of a new match in the duplicate-check hashtab.
- * "hash" is the hash of "str" when it is not zero, saving hashing the
- * string again.
+ * "hash" is the hash of "str" when it is not zero.
*/
static void
compl_strings_add(char_u *str, size_t len, hash_T hash)
@@ -967,8 +964,7 @@ ins_compl_add(
// If the same match is already present, don't add it.
if (compl_first_match != NULL && !adup && compl_strings_ht.ht_used > 0)
{
- // Use a stack buffer for the NUL-terminated key when it fits, so
- // that rejecting a duplicate does not allocate memory.
+ // The key must be NUL terminated.
char_u keybuf[128];
char_u *key;
hashitem_T *hi;
diff --git a/src/version.c b/src/version.c
index b082b2d76..656e08808 100644
--- a/src/version.c
+++ b/src/version.c
@@ -763,6 +763,8 @@ static char *(features[]) =

static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 953,
/**/
952,
/**/