diff --git a/Readme.org b/Readme.org
index 67ec98f..83557b9 100644
--- a/Readme.org
+++ b/Readme.org
@@ -57,3 +57,6 @@ You can disable some features independently, if they're too fancy.
 ** Known Issues
 
 - Not perfectly compatible with =multiple-cursors= (but still usable)
+
+** Useful link
+[[https://en.wikipedia.org/wiki/List_of_mathematical_symbols_by_subject][Wikipedia List of maths symbols]]
diff --git a/magic-latex-buffer.el b/magic-latex-buffer.el
index c8b49b2..68d00fe 100644
--- a/magic-latex-buffer.el
+++ b/magic-latex-buffer.el
@@ -393,7 +393,7 @@ K-th ARG if succeeded."
         (citations
          (ml/command-matcher
           (ml/command-regexp-opt
-           '("label" "ref" "pageref" "vref" "eqref" "cite" "Cite"
+           '("label" "ref" "pageref" "vref" "eqref" "cite" "Cite" "cref"
              "nocite" "index" "glossary" "bibitem" "citep" "citet")) t 1))
         (quotes
          (concat (regexp-opt `("``" "\"<" "\"`" "<<" "«") t)
@@ -676,7 +676,7 @@ between BEG and END."
   '(
     ;; basic
     ("\\\\eq\\>" . "＝") ("\\\\doteq\\>" . "≐") ("\\\\equiv\\>" . "≡")
-    ("\\\\sim\\>" . "～") ("\\\\simeq\\>" . "≃") ("\\\\cong\\>" . "≅")
+    ("\\\\sim\\>" . "～") ("\\\\simeq\\>" . "≃") ("\\\\eqsim\\>" . "≂") ("\\\\cong\\>" . "≅")
     ("\\\\succ\\>" . "≻") ("\\\\prec\\>" . "≺")
     ("\\\\succeq\\>" . "≽") ("\\\\preceq\\>" . "≼")
     ("\\\\approx\\>" . "≒")
@@ -686,6 +686,8 @@ between BEG and END."
     ("\\\\to\\>" . "→") ("\\\\mapsto\\>" . "↦")
     ("\\\\colon\\>" . ":")
     ("\\\\propto\\>" . "∝")
+    ("\\\\coloneqq\\>" . ":=")
+    ("\\\\eqqcolon\\>" . "=:")
 
     ;; set
     ("\\\\subseteq\\>" . "⊆") ("\\\\subset\\>" . "⊂")
@@ -902,12 +904,16 @@ between BEG and END."
      . (compose-chars (string-to-char (match-string 1)) '(cc Bc 0 60) ?→))
     ("\\\\\\(?:tilde\\|~\\){\\([^}]\\)}"
      . (compose-chars (string-to-char (match-string 1)) '(cc Bc 0 60) ?~))
+    ("\\\\\\(?:widetilde\\|~\\){\\([^}]\\)}"
+     . (compose-chars (string-to-char (match-string 1)) '(cc Bc 0 60) ?~))
     ("\\\\\\(?:bar\\|=\\){\\([^}]\\)}"
      . (compose-chars (string-to-char (match-string 1)) '(cc Bc 0 60) ?-))
     ("\\\\\\(?:dot\\|\\.\\){\\([^}]\\)}"
      . (compose-chars (string-to-char (match-string 1)) '(cc Bc 0 60) ?・))
     ("\\\\\\(?:hat\\|\\^\\){\\([^}]\\)}"
      . (compose-chars (string-to-char (match-string 1)) '(cc Bc 0 45) ?^))
+    ("\\\\\\(?:widehat\\|\\^\\){\\([^}]\\)}"
+     . (compose-chars (string-to-char (match-string 1)) '(cc Bc 0 45) ?^))
     ("\\\\\\(?:acute\\|'\\){\\([^}]\\)}"
      . (compose-chars (string-to-char (match-string 1)) '(cc Bc 0 45) ?'))
     ("\\\\\\(?:\"\\|H\\|ddot\\){\\([^}]\\)}"