Patch 8.0.1393
Problem: Too much highlighting with 'hlsearch' and 'incsearch' set.
Solution: Do not highlight matches when the pattern matches everything.
Files: src/ex_getln.c
*** ../vim-8.0.1392/src/ex_getln.c 2017-11-28 20:47:36.782817313 +0100
--- src/ex_getln.c 2017-12-16 16:32:49.971506801 +0100
***************
*** 173,178 ****
--- 173,194 ----
}
/*
+ * Guess that the pattern matches everything. Only finds specific cases, such
+ * as a trailing \|, which can happen while typing a pattern.
+ */
+ static int
+ empty_pattern(char_u *p)
+ {
+ int n = STRLEN(p);
+
+ /* remove trailing \v and the like */
+ while (n >= 2 && p[n - 2] == '\\'
+ && vim_strchr((char_u *)"mMvVcCZ", p[n - 1]) != NULL)
+ n -= 2;
+ return n == 0 || (n >= 2 && p[n - 2] == '\\' && p[n - 1] == '|');
+ }
+
+ /*
* getcmdline() - accept a command line starting with firstc.
*
* firstc == ':' get ":" command line.
***************
*** 2023,2028 ****
--- 2039,2049 ----
else
end_pos = curwin->w_cursor; /* shutup gcc 4 */
+ /* Disable 'hlsearch' highlighting if the pattern matches
+ * everything. Avoids a flash when typing "foo\|". */
+ if (empty_pattern(ccline.cmdbuff))
+ SET_NO_HLSEARCH(TRUE);
+
validate_cursor();
/* May redraw the status line to show the cursor position. */
if (p_ru && curwin->w_status_height > 0)
*** ../vim-8.0.1392/src/version.c 2017-12-16 14:37:02.453279355 +0100
--- src/version.c 2017-12-16 16:28:15.765332710 +0100
***************
*** 773,774 ****
--- 773,776 ----
{ /* Add new patch number below this line */
+ /**/
+ 1393,
/**/
--
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