diff --git a/lisp/leim/quail/latin-ltx.el b/lisp/leim/quail/latin-ltx.el
index 2356ce3a244..c40b395a639 100644
--- a/lisp/leim/quail/latin-ltx.el
+++ b/lisp/leim/quail/latin-ltx.el
@@ -281,6 +281,7 @@ system, including many technical ones.  Examples:
  ("\\Vert" ?‖)
  ("\\Vvdash" ?⊪)
  ("\\above" ?┴)
+ ("\\acute" ?́) ;; synonymous with \'‌
  ("\\aleph" ?ℵ)
  ("\\amalg" ?∐)
  ("\\angle" ?∠)
@@ -297,6 +298,7 @@ system, including many technical ones.  Examples:
  ("\\backsim" ?∽)
  ("\\backsimeq" ?⋍)
  ("\\backslash" ?\\)
+ ("\\bar" ?̄) ;; synonymous with \=
  ("\\barwedge" ?⊼)
  ("\\because" ?∵)
  ("\\begin" ?\〖)
@@ -328,11 +330,14 @@ system, including many technical ones.  Examples:
  ("\\boxplus" ?⊞)
  ("\\boxtimes" ?⊠)
  ("\\bra" ?\⟨)
+ ("\\breve" ?̆) ;; synonymous with \u
  ("\\bullet" ?•)
  ("\\bumpeq" ?≏)
  ("\\cap" ?∩)
+ ("\\cbrt" ?∛)
  ("\\cdots" ?⋯)
  ("\\centerdot" ?·)
+ ("\\check" ?̌) ;; synonymous with \v
  ("\\checkmark" ?✓)
  ("\\chi" ?χ)
  ("\\circ" ?∘)
@@ -370,10 +375,12 @@ system, including many technical ones.  Examples:
  ("\\ddagger" ?‡)
  ("\\ddddot" ?⃜)
  ("\\dddot" ?⃛)
+ ("\\ddot" ?̈) ;; synonymous with \"
  ("\\ddots" ?⋱)
  ("\\diamond" ?⋄)
  ("\\diamondsuit" ?♢)
  ("\\divideontimes" ?⋇)
+ ("\\dot" ?̇)
  ("\\doteq" ?≐)
  ("\\doteqdot" ?≑)
  ("\\dotplus" ?∔)
@@ -397,13 +404,17 @@ system, including many technical ones.  Examples:
  ("\\fallingdotseq" ?≒)
  ("\\flat" ?♭)
  ("\\forall" ?∀)
+ ("\\frac03" ?↉)
  ("\\frac1" ?⅟)
+ ("\\frac110" ?⅒)
  ("\\frac12" ?½)
  ("\\frac13" ?⅓)
  ("\\frac14" ?¼)
  ("\\frac15" ?⅕)
  ("\\frac16" ?⅙)
+ ("\\frac17" ?⅐)
  ("\\frac18" ?⅛)
+ ("\\frac19" ?⅑)
  ("\\frac23" ?⅔)
  ("\\frac25" ?⅖)
  ("\\frac34" ?¾)
@@ -426,6 +437,7 @@ system, including many technical ones.  Examples:
  ("\\gneq" ?≩)
  ("\\gneqq" ?≩)
  ("\\gnsim" ?⋧)
+ ("\\grave" ?̀) ;; synonymous with \`
  ("\\gtrapprox" ?≳)
  ("\\gtrdot" ?⋗)
  ("\\gtreqless" ?⋛)
@@ -433,6 +445,7 @@ system, including many technical ones.  Examples:
  ("\\gtrless" ?≷)
  ("\\gtrsim" ?≳)
  ("\\gvertneqq" ?≩)
+ ("\\hat" ?̂) ;; synonymous with \^
  ("\\hbar" ?ℏ)
  ("\\heartsuit" ?♥)
  ("\\hookleftarrow" ?↩)
@@ -451,6 +464,8 @@ system, including many technical ones.  Examples:
  ("\\intercal" ?⊺)
  ("\\jj" ?ⅉ)
  ("\\jmath" ?ȷ)
+ ("\\ket" ?\⟩)
+ ("\\land" ?∧) ;; logical and, same symbol as \wedge
  ("\\langle" ?⟨) ;; Was ?〈, see bug#12948.
  ("\\lbrace" ?{)
  ("\\lbrack" ?\[)
@@ -480,11 +495,13 @@ system, including many technical ones.  Examples:
  ("\\lessgtr" ?≶)
  ("\\lesssim" ?≲)
  ("\\lfloor" ?⌊)
+ ("\\lgroup" ?\⟮)
  ("\\lhd" ?◁)
  ("\\rhd" ?▷)
  ("\\ll" ?≪)
  ("\\llcorner" ?⌞)
  ("\\lll" ?⋘)
+ ("\\lmoustache" ?⎰)
  ("\\lnapprox" ?⋦)
  ("\\lneq" ?≨)
  ("\\lneqq" ?≨)
@@ -495,6 +512,7 @@ system, including many technical ones.  Examples:
  ("\\longrightarrow" ?⟶)
  ("\\looparrowleft" ?↫)
  ("\\looparrowright" ?↬)
+ ("\\lor" ?∨) ;; logical or, same symbol as \vee
  ("\\lozenge" ?✧)
  ("\\lq" ?‘)
  ("\\lrcorner" ?⌟)
@@ -502,6 +520,7 @@ system, including many technical ones.  Examples:
  ("\\lvertneqq" ?≨)
  ("\\maltese" ?✠)
  ("\\mapsto" ?↦)
+ ("\\mathring" ?̊)
  ("\\measuredangle" ?∡)
  ("\\mho" ?℧)
  ("\\mid" ?∣)
@@ -569,8 +588,12 @@ system, including many technical ones.  Examples:
  ("\\oplus" ?⊕)
  ("\\oslash" ?⊘)
  ("\\otimes" ?⊗)
+ ("\\overbar" ?̅)
  ("\\overbrace" ?⏞)
+ ("\\overleftarrow" ?⃖)
  ("\\overparen" ?⏜)
+ ("\\overrightarrow" ?⃗) ;; synonymous with \vec
+ ("\\owns" ?∋) ;; synonymous with \ni
  ("\\par" ?
)
  ("\\parallel" ?∥)
  ("\\partial" ?∂)
@@ -611,6 +634,8 @@ system, including many technical ones.  Examples:
  ("\\rightrightarrows" ?⇉)
  ("\\rightthreetimes" ?⋌)
  ("\\risingdotseq" ?≓)
+ ("\\rgroup" ?\⟯)
+ ("\\rmoustache" ?⎱)
  ("\\rrect" ?▢)
  ("\\sdiv" ?⁄)
  ("\\rtimes" ?⋊)
@@ -662,6 +687,7 @@ system, including many technical ones.  Examples:
  ("\\therefore" ?∴)
  ("\\thickapprox" ?≈)
  ("\\thicksim" ?∼)
+ ("\\tilde" ?̃) ;; synonymous with \~
  ("\\to" ?→)
  ("\\top" ?⊤)
  ("\\triangle" ?▵)
@@ -678,6 +704,8 @@ system, including many technical ones.  Examples:
  ("\\updownarrow" ?↕)
  ("\\underbar" ?▁)
  ("\\underbrace" ?⏟)
+ ("\\underleftarrow" ?⃮)
+ ("\\underrightarrow" ?⃯)
  ("\\underparen" ?⏝)
  ("\\upleftharpoon" ?↿)
  ("\\uplus" ?⊎)
@@ -686,6 +714,7 @@ system, including many technical ones.  Examples:
  ("\\urcorner" ?⌝)
  ("\\u{i}" ?ĭ)
  ("\\vbar" ?│)
+ ("\\vec" ?⃗)
  ("\\vDash" ?⊨)
 
  ((lambda (name char)
@@ -772,6 +801,7 @@ system, including many technical ones.  Examples:
  ;; ("\\Yinyang" ?☯)
  ;; ("\\Heart" ?♡)
  ("\\dh" ?ð)
+ ("\\eth" ?ð)
  ("\\DH" ?Ð)
  ("\\th" ?þ)
  ("\\TH" ?Þ)