diff --git a/apacheconf.nanorc b/apacheconf.nanorc
index ad08240..f1325e6 100644
--- a/apacheconf.nanorc
+++ b/apacheconf.nanorc
@@ -42,3 +42,6 @@ color brightcyan "</?[A-Za-z]+"
 color brightcyan "(<|</|>)"
 color green "\"(\\.|[^\"])*\""
 color white "#.*"
+
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/conf.nanorc b/conf.nanorc
index 0cfb890..cf9f58a 100644
--- a/conf.nanorc
+++ b/conf.nanorc
@@ -7,3 +7,5 @@ icolor white ""(\\.|[^"])*""
 ## Comments
 icolor brightblue "^[[:space:]]*#.*$"
 icolor cyan "^[[:space:]]*##.*$"
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/css.nanorc b/css.nanorc
index 69c844b..3e6b83c 100644
--- a/css.nanorc
+++ b/css.nanorc
@@ -8,3 +8,6 @@ color brightwhite   start=":" end="[;^\{]"
 color brightblue    ":active|:focus|:hover|:link|:visited|:link|:after|:before|$"
 color brightblue    start="\/\*" end="\*\/"
 color green         ";|:|\{|\}"
+
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/cython.nanorc b/cython.nanorc
index d1c8df7..0f73704 100644
--- a/cython.nanorc
+++ b/cython.nanorc
@@ -28,3 +28,6 @@ color cyan start=""""[^"]" end=""""" start="'''[^']" end="'''"
 
 # Comment Color
 color brightblue "#.*$"
+
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/erb.nanorc b/erb.nanorc
index 17bfed6..9a581b2 100644
--- a/erb.nanorc
+++ b/erb.nanorc
@@ -22,3 +22,5 @@ color brightcyan "##[^{].*$" "##$"
 color green start="<<-?'?EOT'?" end="^EOT"
 color brightcyan "(XXX|TODO|FIXME|\?\?\?)"
 
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/fortran.nanorc b/fortran.nanorc
index 7b45e61..2b77e6b 100644
--- a/fortran.nanorc
+++ b/fortran.nanorc
@@ -48,3 +48,6 @@ icolor cyan "<[^=     ]*>" "'(\\.|[^"])*'"
 
 ## Comment highlighting
 icolor brightred "!.*$" "(^[Cc]| [Cc]) .*$"
+
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/haml.nanorc b/haml.nanorc
index 6c848e7..3337882 100644
--- a/haml.nanorc
+++ b/haml.nanorc
@@ -14,3 +14,5 @@ color brightblue "(@|@@)[0-9A-Z_a-z]+"
 ## Comments
 color brightcyan "#[^{].*$" "#$"
 
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/haskell.nanorc b/haskell.nanorc
index 58e817d..2b37ecf 100644
--- a/haskell.nanorc
+++ b/haskell.nanorc
@@ -29,3 +29,6 @@ color green "--.*"
 color green start="\{-" end="-\}"
 
 color brightred "undefined"
+
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/html.nanorc b/html.nanorc
index 32d47d4..dd01965 100644
--- a/html.nanorc
+++ b/html.nanorc
@@ -6,3 +6,6 @@ color red "&[^;[[:space:]]]*;"
 color yellow ""[^"]*"|qq\|.*\|"
 color red "(action|alt|bgcolor|height|href|id|label|longdesc|method|name|onclick|onfocus|onload|onmouseover|rel|size|span|src|style|target|title|type|value|width)="
 color magenta start="<!--" end="-->"
+
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/js.nanorc b/js.nanorc
index 295758b..65cf389 100644
--- a/js.nanorc
+++ b/js.nanorc
@@ -38,6 +38,9 @@ color red "\<(true|false)\>"
 color brightyellow "L?\"(\\"|[^"])*\""
 color brightyellow "L?'(\'|[^'])*'"
 
+## Trailing spaces
+color ,green "[[:space:]]+$"
+
 ## Escapes
 color red "\\[0-7][0-7]?[0-7]?|\\x[0-9a-fA-F]+|\\[bfnrt'"\?\\]"
 
diff --git a/markdown.nanorc b/markdown.nanorc
index d50cafb..9d3fd9e 100644
--- a/markdown.nanorc
+++ b/markdown.nanorc
@@ -45,3 +45,6 @@ color yellow   "`[^`]*`|^ {4}[^-+*].*"
 # code blocks
 color yellow start="^```[^$]" end="^```$"
 color yellow "^```$"
+
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/ocaml.nanorc b/ocaml.nanorc
index 49ba151..f5cd2c7 100644
--- a/ocaml.nanorc
+++ b/ocaml.nanorc
@@ -23,3 +23,5 @@ color yellow "\<(new|ref|mutable|lazy|assert|raise)\>"
 color white start="\(\*" end="\*\)"
 #strings (no multiline handling yet)
 color brightblack ""[^\"]*""
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/perl.nanorc b/perl.nanorc
index 3c05ad5..3e629b9 100644
--- a/perl.nanorc
+++ b/perl.nanorc
@@ -11,3 +11,6 @@ color white "[sm]/.*/"
 color white start="(^use| = new)" end=";"
 color green "#.*"
 color yellow start="<< 'STOP'" end="STOP"
+
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/perl6.nanorc b/perl6.nanorc
index 10d39d3..572ef04 100644
--- a/perl6.nanorc
+++ b/perl6.nanorc
@@ -14,3 +14,6 @@ color white "[sm]/.*/"
 color brightblue start="(^use| = new)" end=";"
 color brightgreen "#.*"
 color brightred start="<<EOSQL" end="EOSQL"
+
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/python.nanorc b/python.nanorc
index 8f14bfb..29b9e3c 100644
--- a/python.nanorc
+++ b/python.nanorc
@@ -47,3 +47,6 @@ color green start=""""([^"]|$)" end=""""" start="'''([^']|$)" end="'''"
 #color cyan start=""""" end=""""" start="'''" end="'''"
 #color cyan start="("""[^"]|[^"]""")" end="("""[^"]|[^"]""")" start="'''[^']" end="'''"
 #color cyan start="\"\"\"" end="\"\"\""
+
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/ruby.nanorc b/ruby.nanorc
index f192746..ca4f3a6 100644
--- a/ruby.nanorc
+++ b/ruby.nanorc
@@ -30,3 +30,5 @@ color brightcyan "##[^{].*$" "##$"
 color green start="<<-?'?EOT'?" end="^EOT"
 ## Some common markers
 color brightcyan "(XXX|TODO|FIXME|\?\?\?)"
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/rust.nanorc b/rust.nanorc
index 06ace6a..3d3c17a 100644
--- a/rust.nanorc
+++ b/rust.nanorc
@@ -34,3 +34,6 @@ color magenta start="#!\[" end="\]"
 
 # Some common markers
 color brightcyan "(XXX|TODO|FIXME|\?\?\?)"
+
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/sls.nanorc b/sls.nanorc
index bd78d6a..c8affff 100644
--- a/sls.nanorc
+++ b/sls.nanorc
@@ -24,3 +24,6 @@ color brightblack "^#.*"
 
 # Logic keywords
 color magenta "\<(if|elif|else|or|not|and|endif|end)\>"
+
+## Trailing spaces
+color ,green "[[:space:]]+$"
diff --git a/xml.nanorc b/xml.nanorc
index 47542c6..8ad5a32 100644
--- a/xml.nanorc
+++ b/xml.nanorc
@@ -9,3 +9,6 @@ color cyan   ">"
 color yellow start="<!DOCTYPE" end="[/]?>"
 color yellow start="<!--" end="-->"
 color red    "&[^;]*;"
+
+## Trailing spaces
+color ,green "[[:space:]]+$"