diff --git a/changes.txt b/changes.txt
--- a/changes.txt
+++ b/changes.txt
@@ -1,3 +1,10 @@
+1.5.4.0
+-------
+
+- released gio 24 mar 2022, 12:50:42
+- added support for `LaTeX` files (patch by Damien Couroussé, many thanks!)
+- bump text
+
 1.5.3.2
 -------
 
diff --git a/doc/usr/page.rst b/doc/usr/page.rst
--- a/doc/usr/page.rst
+++ b/doc/usr/page.rst
@@ -185,6 +185,7 @@
 - R files (``.r``, ``.R``)
 - Forth files (``.fs``, ``.fth``, ``.4th``)
 - YAML files (``.yaml``, ``.yml``)
+- LaTeX files (``.tex``)
 - plain text files (``.txt``)
 
 If you want a file type ``.xyz`` to be recognised as one in the list above,
diff --git a/lentil.cabal b/lentil.cabal
--- a/lentil.cabal
+++ b/lentil.cabal
@@ -1,5 +1,5 @@
 name:                lentil
-version:             1.5.3.2
+version:             1.5.4.0
 synopsis:            frugal issue tracker
 description:         minumum effort, cohesive issue tracker based on
                      ubiquitous @TODO@s and @FIXME@s conventions.
@@ -38,6 +38,7 @@
                      test/test-files/lang-comm/org-mode.org,
                      test/test-files/lang-comm/yaml.yml,
                      test/test-files/lang-comm/text.txt,
+                     test/test-files/lang-comm/latex.tex,
                      test/test-files/specific/contiguous.c,
                      test/test-files/specific/cont-custom.c,
                      test/test-files/specific/xyz.xyz,
@@ -77,10 +78,10 @@
                        megaparsec >= 8.0 && < 9.3,
                        mtl == 2.2.*,
                        natural-sort==0.1.*,
-                       optparse-applicative >= 0.16 && < 0.17,
+                       optparse-applicative >= 0.16 && < 0.18,
                        regex-tdfa >= 1.2 && < 1.4,
                        semigroups >= 0.18 && < 0.21,
-                       text==1.2.*,
+                       text >=1.2 && <2.1,
                        terminal-progress-bar==0.4.*
   other-modules:       Lentil.Types, Lentil.Args, Lentil.File, Lentil.Print,
                        Lentil.Query, Lentil.Export, Lentil.Parse.Source,
@@ -113,10 +114,10 @@
                        megaparsec >= 8.0 && < 9.3,
                        mtl == 2.2.*,
                        natural-sort==0.1.*,
-                       optparse-applicative >= 0.16 && < 0.17,
+                       optparse-applicative >= 0.16 && < 0.18,
                        regex-tdfa >= 1.2 && < 1.4,
                        semigroups >= 0.18 && < 0.21,
-                       text==1.2.*,
+                       text >=1.2 && <2.1,
                        terminal-progress-bar==0.4.*
                        -- same as above, plus hspec
                        , hspec      >= 2.3 && < 2.10
diff --git a/src/Lentil/Parse/Syntaxes.hs b/src/Lentil/Parse/Syntaxes.hs
--- a/src/Lentil/Parse/Syntaxes.hs
+++ b/src/Lentil/Parse/Syntaxes.hs
@@ -80,10 +80,11 @@
               ([".r"],                  Just rp), -- R language
               ([".fs", ".fth", ".4th"], Just forth), -- forth
               ([".yaml", ".yml"],       Just perl), -- YAML
+              ([".tex"],                Just latex), -- LaTeX, TeX
               ([".txt", ".md"],         Just text) ]
 
 haskell, c, javascript, pascal, python, ruby, perl, nix,
-    xml, erlang, ocaml, rp, rust, sml, forth, rst, org,
+    xml, erlang, ocaml, rp, rust, sml, forth, rst, org, latex,
     text :: ParSource [CommentString]
 haskell    = source $ StdSyntax ["--"] [("{-", "-}")]
                                 ClangLike ['"'] CommonChr ['\'']
@@ -120,6 +121,11 @@
              --      paragraphs. How to implement this without breaking other
              --      parsers?
 org        = source OrgModeSyntax
+latex      = source $ StdSyntax ["%:" -- TeXworks tags
+                                , "%" -- single-line comments
+                                ]
+                                [] -- Some packages provide support for multi-line comments, but there is no support for multi-line comments, even if some packages provide support for.
+                                ClangLike ['"'] CommonChr []
 text       = (:[]) . MultiLine 1 <$> many anySingle
 
 
diff --git a/src/Main.hs b/src/Main.hs
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -37,7 +37,7 @@
                                    short 'v'      S.<>
                                    help "show version and copyright info" )
     where
-          versionCopy = "\nlentil - frugal issue tracker, version 1.5.3.2\n\
+          versionCopy = "\nlentil - frugal issue tracker, version 1.5.4.0\n\
                         \(C) 2015-2021 Francesco Ariis - http://www.ariis.it\n\
                         \released under the GNU General Public License v3\n"
 
diff --git a/test/Lentil/Parse/RunSpec.hs b/test/Lentil/Parse/RunSpec.hs
--- a/test/Lentil/Parse/RunSpec.hs
+++ b/test/Lentil/Parse/RunSpec.hs
@@ -112,4 +112,6 @@
     it "parses a YAML source" $
         fileParser [] [] "test/test-files/lang-comm/yaml.yml"
             `shouldReturn` spt "test/test-files/lang-comm/yaml.yml"
-
+    it "parses a LaTeX source" $
+        fileParser [] [] "test/test-files/lang-comm/latex.tex"
+            `shouldReturn` spt "test/test-files/lang-comm/latex.tex"
diff --git a/test/test-files/lang-comm/latex.tex b/test/test-files/lang-comm/latex.tex
new file mode 100644
--- /dev/null
+++ b/test/test-files/lang-comm/latex.tex
@@ -0,0 +1,9 @@
+% todo single comment
+comment
+%: TODO single2
+
+ string
+
+
+%  todo block1
+%       todo  block2 [tog]