diff --git a/doom/.config/doom/+projects.el b/doom/.config/doom/+projects.el
index e15e740..1811a13 100644
--- a/doom/.config/doom/+projects.el
+++ b/doom/.config/doom/+projects.el
@@ -13,6 +13,21 @@ projects in other locations.")
   (setq projectile-auto-discover t)
   (setq projectile-project-search-path project-locations))
 
+(use-package! treemacs
+  :init
+  (setq treemacs-missing-project-action 'remove)
+  :config
+  (treemacs-project-follow-mode +1)
+  (treemacs-hide-gitignored-files-mode +1))
+
+(after! treemacs
+  (define-key treemacs-mode-map [mouse-1] #'treemacs-single-click-expand-action))
+
+(use-package treemacs-persp ;;treemacs-perspective if you use perspective.el vs. persp-mode
+  :after (treemacs persp-mode) ;;or perspective vs. persp-mode
+  :ensure t
+  :config (treemacs-set-scope-type 'Perspectives))
+
 (after! magit
   (add-hook! 'after-save-hook #'magit-after-save-refresh-status)
   (setq magit-save-repository-buffers t ; ask to save modified files in repo
diff --git a/doom/.config/doom/+ui.el b/doom/.config/doom/+ui.el
index d1482f2..f7b130d 100644
--- a/doom/.config/doom/+ui.el
+++ b/doom/.config/doom/+ui.el
@@ -17,7 +17,6 @@
 
 ;; pop-ups
 (setq which-key-idle-delay 0.25)
-(setq company-idle-delay 0.25)
 
 ;; centaur tabs issue: https://github.com/ema2159/centaur-tabs/issues/181
 (after! centaur-tabs
@@ -55,10 +54,14 @@ when this is not the case"
 ;; https://github.com/iqbalansari/emacs-emojify/issues/100, but keep for
 ;; simplicity.
 (setq emojify-download-emojis-p t)
+(setq emojify-emoji-set "twemoji-v2")
 
-(use-package auto-dark
-  :config
-  (setq auto-dark-allow-osascript t)
-  (setq auto-dark-dark-theme 'doom-gruvbox)
-  (setq auto-dark-light-theme 'doom-gruvbox-light)
-  (auto-dark-mode t))
+(setq eros-eval-result-prefix " ") ; default =>
+
+
+;; (use-package auto-dark
+;;   :config
+;;   (setq auto-dark-allow-osascript t)
+;;   (setq auto-dark-dark-theme 'doom-gruvbox)
+;;   (setq auto-dark-light-theme 'doom-gruvbox-light)
+;;   (auto-dark-mode t))
diff --git a/doom/.config/doom/config.el b/doom/.config/doom/config.el
index 30c898a..b8a9cbc 100644
--- a/doom/.config/doom/config.el
+++ b/doom/.config/doom/config.el
@@ -37,8 +37,8 @@
 
 ;; company
 (after! company
-  (setq company-idle-delay 0.1
-        company-minimum-prefix-length 2
+  (setq company-idle-delay 0.2
+        company-minimum-prefix-length 3
         ;; doesn't show in childframe, but might be useful in terminal
         company-show-quick-access 1))
 
@@ -65,6 +65,9 @@
   ;; :config
   ;; (add-hook 'redacted-mode-hook (lambda () (read-only-mode (if redacted-mode 1 -1)))))
 
+;; disable tidy
+(add-to-list '+format-on-save-enabled-modes 'web-mode :append)
+
 (add-hook 'nim-mode-local-vars-hook #'lsp!)
 
 (use-package! subed
@@ -77,12 +80,15 @@
         :leader
         :desc "MPV play/pause" "<RET>" #'subed-mpv-toggle-pause))
 
+
+;; NOTE I use Skim on MacOS and pdf-tools on Linux infrequently. Consider
+;; "p d f modeline" from tecosaur's config
+
 (defun open-in-pympress ()
   "Open the current buffer (assumed to be a tex file that has the same name as
 the compiled PDF version) in pympress."
   (interactive)
   (start-process "pympress" nil "pympress" (replace-regexp-in-string "\.tex" ".pdf" buffer-file-name)))
-  ;; (async-shell-command (concat "pympress " (replace-regexp-in-string "\.tex" ".pdf" buffer-file-name))))
 
 (add-hook! 'LaTeX-mode-hook #'hl-todo-mode)
 
@@ -94,7 +100,7 @@ the compiled PDF version) in pympress."
 (use-package! w3m)
 
 ;; https://github.com/tarsius/keycast/issues/7
-(use-package keycast
+(use-package! keycast
   :config
   (define-minor-mode keycast-mode
     "Show current command and its key binding in the mode line (fix for use with doom-mode-line)."
@@ -104,12 +110,16 @@ the compiled PDF version) in pympress."
       (remove-hook 'pre-command-hook 'keycast--update)))
   (add-to-list 'global-mode-string '("" keycast-mode-line)))
 
+;; yasnippets
+(setq yas-triggers-in-field t)
+
 (use-package! edit-server
   :config
   (edit-server-start))
 
 (defun assignment-ui-start()
-  "UI modifications when working on assignments (in Python) with long function headers"
+  "UI modifications when working on assignments (in Python) with long function
+headers"
   (interactive)
   (which-function-mode +1)
   (semantic-mode +1)
diff --git a/doom/.config/doom/init.el b/doom/.config/doom/init.el
index 7d4b6ff..cf1f01d 100644
--- a/doom/.config/doom/init.el
+++ b/doom/.config/doom/init.el
@@ -37,7 +37,7 @@
        ;;hydra
        indent-guides     ; highlighted indent columns
        ligatures         ; ligatures and symbols to make your code pretty again
-       ;;minimap           ; show a map of the code on the side
+       minimap           ; show a map of the code on the side
        modeline          ; snazzy, Atom-inspired modeline, plus API
        nav-flash         ; blink cursor line after big motions
        ;;neotree           ; a project drawer, like NERDTree for vim
diff --git a/doom/.config/doom/modules/tools/just/packages.el b/doom/.config/doom/modules/tools/just/packages.el
index cf50fac..ab6fa1d 100644
--- a/doom/.config/doom/modules/tools/just/packages.el
+++ b/doom/.config/doom/modules/tools/just/packages.el
@@ -1,5 +1,5 @@
 ;; -*- no-byte-compile: t; -*-
 ;;; tools/just/packages.el
 
-(package! just-mode :pin "35f1bd4748cd3e960e6930b34310e5506212b304")
-(package! justl :pin "4dc372cb416912c795ae1fca62081d5aea0b2703")
+(package! just-mode :pin "d7f52eab8fa3828106f80acb1e2176e5877b7191e960e6930b34310e5506212b304")
+(package! justl :pin "141daaa4b0dc07fe25423609dcd14441a9f2613e2c795ae1fca62081d5aea0b2703")