Set whitespace-line-column to fill-column.

init.el

@@ -1,5 +1,5 @@
 ;;; init.el --- tastytea's Emacs init file.
-;; Time-stamp: <2019-07-29T02:39:35+00:00>
+;; Time-stamp: <2019-07-29T12:17:18+00:00>
 
 ;;; Commentary:
 ;; I am using this file with Emacs 26, but most of it will probably work with
@@ -607,6 +607,8 @@ With argument, do this that many times."
 ;; Visualize whitespace.
 (use-package whitespace
   :after company
+  ;; :custom
+  ;; (whitespace-line-column nil)          ; Set to fill-column.
   :config
   (delete 'newline-mark whitespace-style) ; Don't paint $ at eol.
   ;; (delete 'lines whitespace-style)        ; Don't mark overly long lines.
@@ -636,11 +638,18 @@ With argument, do this that many times."
     (if my/ws-enabled
         (whitespace-mode t)))
   :bind
-  ("C-x w" . 'whitespace-mode)
+  ("C-x w" . whitespace-mode)
   :hook
   (prog-mode . whitespace-mode)
   (conf-mode . whitespace-mode)
   (text-mode . whitespace-mode)
+  (find-file . (lambda ()
+                 (when (my/whitespace-mode-enabled-p)
+                   (whitespace-mode -1)
+                   (setq-local whitespace-line-column fill-column)
+                   (whitespace-mode t)
+                   )
+                 ))
   :custom-face
   (whitespace-space ((nil :foreground "gray18")))
   (whitespace-line ((nil :inherit whitespace-line

server/server

@@ -1,2 +1,2 @@
-127.0.0.1:51313 19011
+127.0.0.1:51313 28112
 phahw2ohVoh0oopheish7IVie9desh8aequeenei3uo8wahShe%thuadaeNa4ieh