10 files changed, 79 insertions, 14 deletions
diff --git a/lib/lexers/bash.tes b/lib/lexers/bash.tes
index 862a0c1..893fc8d 100644
--- a/lib/lexers/bash.tes
+++ b/lib/lexers/bash.tes
@@ -35,10 +35,12 @@
   :M[color.number],3M[color.set]
   :M[color.keyword],4M[color.set]
   :M[color.string],5M[color.set]
-  :M[color.string],6M[color.set]
+  :M[color.string2],6M[color.set]
   :M[color.operator],7M[color.set]
-  :M[color.target],8M[color.set] !* Identifiers, e.g. FOO=... *!
+  !!:M[color.target],8M[color.set] !* Identifiers, e.g. FOO=... *!
   :M[color.variable],9M[color.set]
   :M[color.variable],10M[color.set]
-  :M[color.string2],11M[color.set] !* Backticks *!
+  :M[color.preproc],11M[color.set] !* Backticks *!
+  :M[color.target],12M[color.set] !* Heredoc delimiter *!
+  :M[color.preproc2],13M[color.set] !* Heredoc *!
 }
diff --git a/lib/lexers/batch.tes b/lib/lexers/batch.tes
index dddd802..97717a1 100644
--- a/lib/lexers/batch.tes
+++ b/lib/lexers/batch.tes
@@ -17,7 +17,8 @@
   :M[color.keyword],2M[color.set]
   :M[color.target],3M[color.set] !* Labels *!
   :M[color.preproc],4M[color.set] !* Hide Cmd @ *!
-  :M[color.preproc2],5M[color.set] !* External Cmd *!
+  !!:M[color.preproc2],5M[color.set] !* External Cmd *!
   :M[color.variable],6M[color.set]
   :M[color.operator],7M[color.set]
+  :M[color.preproc2],8M[color.set] !* After label *!
 }
diff --git a/lib/lexers/email.tes b/lib/lexers/email.tes
index 895aeea..11dbcf7 100644
--- a/lib/lexers/email.tes
+++ b/lib/lexers/email.tes
@@ -21,14 +21,25 @@
   ZJ [_-:S^J-- ^J]_"S !* signatures *!
     4R .U.z
     ESSTARTSTYLING 1,(:-)ESSETSTYLING
+
+    !* the signature is foldable *!
+    ESLINEFROMPOSITIONU.l
+    1024#(2^*13),Q.lESSETFOLDLEVEL
+    <:L; 1025,%.lESSETFOLDLEVEL>
   '
 
+  0U.l
   J< .-Q.z"= 1; '
-    0A->"= !* quotes *!
-      U.s
-      <:C; 0A- "N 1; '> .-Q.z"= 1; '
+    U.s
+    0U.q <0A->"N1;' %.q <:C; 0A- "N 1; '>>
+
+    Q.q"> !* quotes *!
       Q.sESSTARTSTYLING
-      (0A->"=3|2'),(Q.lESLINELENGTH)ESSETSTYLING
+      (Q.q-1">3|2'),(Q.lESLINELENGTH)ESSETSTYLING
+
+      !* first line with higher quote level: will be the header *!
+      (Q.l-1ESGETLINESTATE)-Q.q"< (1024+Q.q-1)#(2^*13) | (1024+Q.q) ',Q.lESSETFOLDLEVEL
+      Q.q,Q.lESSETLINESTATE
     '
   :L; %.l>
 ]:}
diff --git a/lib/lexers/git.tes b/lib/lexers/git.tes
index 8495f12..491ec1e 100644
--- a/lib/lexers/git.tes
+++ b/lib/lexers/git.tes
@@ -18,6 +18,13 @@
   :M[color.comment],1M[color.set]
 
   J< .-Z"= 1; '
-    0A-#"= ESSTARTSTYLING 1,(Q.lESLINELENGTH)ESSETSTYLING '
+    0A-#"=
+      ESSTARTSTYLING 1,(Q.lESLINELENGTH)ESSETSTYLING
+
+      !* only the first line gets the fold level header *!
+      -2ESGETSTYLEINDEXAT-1"N 1024#(2^*13) | 1025 ',Q.lESSETFOLDLEVEL
+    '
+    !* empty line *!
+    0A-10"= 1024#(2^*12),Q.lESSETFOLDLEVEL '
   :L; %.l>
 ]:}
diff --git a/lib/lexers/latex.tes b/lib/lexers/latex.tes
new file mode 100644
index 0000000..de3d1cf
--- /dev/null
+++ b/lib/lexers/latex.tes
@@ -0,0 +1,32 @@
+!* LaTeX *!
+
+@[lexer.test.latex]{
+  :EN*.texQ*"S -1 '
+  :EN*.styQ*
+}
+
+@[lexer.set.latex]{
+  ESSETILEXERlatex
+
+  !* command *!
+  :M[color.keyword],1M[color.set]
+  !* tag opening *!
+  :M[color.string],2M[color.set]
+  !* math inline *!
+  !!:M[color.preproc2],3M[color.set]
+  :M[color.comment],4M[color.set]
+  !* tag closing *!
+  :M[color.string],5M[color.set]
+  !* math block *!
+  !!:M[color.preproc2],6M[color.set]
+  :M[color.comment],7M[color.set]
+  !* verbatim segment *!
+  !!:M[color.string],8M[color.set]
+  !* short command *!
+  :M[color.preproc],9M[color.set]
+  !* special char *!
+  :M[color.preproc2],10M[color.set]
+  !* command optional argument *!
+  :M[color.string2],11M[color.set]
+  :M[color.error],12M[color.set]
+}
diff --git a/lib/lexers/make.tes b/lib/lexers/make.tes
index 4ff519a..68acda1 100644
--- a/lib/lexers/make.tes
+++ b/lib/lexers/make.tes
@@ -3,6 +3,7 @@
 @[lexer.test.make]{
   :EN*/MakefileQ*"S -1 '
   :EN*/makefileQ*"S -1 '
+  :EN*/GNUmakefileQ*"S -1 '
   :EN*.makQ*
 }
 
@@ -13,5 +14,5 @@
   :M[color.variable],3M[color.set]
   :M[color.operator],4M[color.set]
   :M[color.target],5M[color.set]
-  :M[color.error],6M[color.set]
+  :M[color.error],9M[color.set]
 }
diff --git a/lib/lexers/python.tes b/lib/lexers/python.tes
index f85f92b..6a46f1b 100644
--- a/lib/lexers/python.tes
+++ b/lib/lexers/python.tes
@@ -58,7 +58,9 @@
   :M[color.string2],6M[color.set]
   :M[color.string],7M[color.set]
   :M[color.operator],10M[color.set]
-  :M[color.string],12M[color.set]
+  !!:M[color.variable],11M[color.set]
+  :M[color.comment],12M[color.set]
+  :M[color.error],13M[color.set]
   :M[color.string],16M[color.set]
   :M[color.string2],17M[color.set]
   :M[color.string2],18M[color.set]
diff --git a/lib/lexers/sciteco.tes b/lib/lexers/sciteco.tes
index 7ca9c70..0e7db64 100644
--- a/lib/lexers/sciteco.tes
+++ b/lib/lexers/sciteco.tes
diff --git a/lib/lexers/woman.tes b/lib/lexers/woman.tes
index 86580f3..01b19d5 100644
--- a/lib/lexers/woman.tes
+++ b/lib/lexers/woman.tes
@@ -10,11 +10,17 @@
   :EN*.womanQ*
 }
 
+!*
+ * Font used for body text in woman pages.
+ * This can be a variable-width font.
+ *!
+[lexer.woman.font]Serif
+
 @[lexer.set.woman]{
   1ESSETWRAPMODE
   1ESSETWRAPINDENTMODE
   10,1#4ESSETYCARETPOLICY
-  0EJ-1"> 32ESSTYLESETFONTSerif :M[color.init] '
+  0EJ-1"> 32ESSTYLESETFONTQ[lexer.woman.font] :M[color.init] '
 
-  1:EN*Q*.tec"S EMQ*.tec '
+  1:EN*Q*.tec"S EIQ*.tec '
 }
diff --git a/lib/lexers/yaml.tes b/lib/lexers/yaml.tes
index 45104e7..2102afa 100644
--- a/lib/lexers/yaml.tes
+++ b/lib/lexers/yaml.tes
@@ -11,10 +11,13 @@
 }
 
 @[lexer.set.yaml]{
+  2ESSETTABWIDTH
+  0ESSETUSETABS
+
   ESSETILEXERyaml
   0ESSETKEYWORDStrue false yes no
   :M[color.comment],1M[color.set]
-  :M[color.target],2M[color.set]
+  :M[color.string],2M[color.set]
   :M[color.keyword],3M[color.set]
   :M[color.number],4M[color.set]
   :M[color.variable],5M[color.set]