diff --git a/lexers/embedded/iscdhcpd.xml b/lexers/embedded/iscdhcpd.xml
new file mode 100644
index 000000000..babfb55bb
--- /dev/null
+++ b/lexers/embedded/iscdhcpd.xml
@@ -0,0 +1,112 @@
+<lexer>
+  <config>
+    <name>ISCdhcpd</name>
+    <alias>iscdhcpd</alias>
+    <filename>*.conf</filename>
+  </config>
+  <rules>
+    <state name="interpol">
+      <rule pattern="\$[{(]">
+        <token type="LiteralStringInterpol"/>
+        <push/>
+      </rule>
+      <rule pattern="[})]">
+        <token type="LiteralStringInterpol"/>
+        <pop depth="1"/>
+      </rule>
+      <rule pattern="[^${()}]+">
+        <token type="LiteralStringInterpol"/>
+      </rule>
+    </state>
+    <state name="arglist">
+      <rule pattern="\)">
+        <token type="Punctuation"/>
+        <pop depth="1"/>
+      </rule>
+      <rule pattern=",">
+        <token type="Punctuation"/>
+      </rule>
+      <rule pattern="[\w\-.]+">
+        <token type="NameVariable"/>
+      </rule>
+      <rule pattern="\s+">
+        <token type="Text"/>
+      </rule>
+    </state>
+    <state name="root">
+      <rule pattern="#.*?\n">
+        <token type="Comment"/>
+      </rule>
+      <rule pattern="(group|host|subnet|netmask|class|pool)\b">
+         <token type="KeywordType"/>
+      </rule>
+      <rule pattern="(authoritative|domain-name-servers|ethernet|fixed-address|hardware|option|use-host-decl-name|include)\b">
+         <token type="Keyword"/>
+      </rule>
+      <rule pattern="(on|off|true|false)\b">
+        <token type="KeywordConstant"/>
+      </rule>
+      <rule pattern="(if|elsif|else)\b">
+        <token type="Keyword"/>
+      </rule>
+      <rule pattern="(and|or|not)\b">
+        <token type="OperatorWord"/>
+      </rule>
+      <rule pattern="(==|!=|~=|~~|=)">
+        <token type="Operator"/>
+      </rule>
+      <rule pattern="(exists|known|static)\b">
+        <token type="Keyword"/>
+      </rule>
+      <rule pattern="[{},;]">
+        <token type="Punctuation"/>
+      </rule>
+      <rule pattern="\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\/\d{1,2}">
+        <token type="LiteralNumberFloat"/>
+      </rule>
+      <rule pattern="\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}">
+        <token type="LiteralNumberFloat"/>
+      </rule>
+      <rule pattern="[a-fA-F0-9]{1,2}:[a-fA-F0-9]{1,2}:[a-fA-F0-9]{1,2}:[a-fA-F0-9]{1,2}:[a-fA-F0-9]{1,2}:[a-fA-F0-9]{1,2}">
+        <token type="LiteralNumberHex"/>
+      </rule>
+      <rule pattern="(\w+)(\s+)(\()">
+        <bygroups>
+          <token type="NameFunction"/>
+          <token type="Text"/>
+          <token type="Punctuation"/>
+        </bygroups>
+        <push state="arglist"/>
+      </rule>
+      <rule pattern="[\w\-.]+">
+        <token type="NameVariable"/>
+      </rule>
+      <rule pattern="&#34;">
+        <token type="LiteralString"/>
+        <push state="doublequotestring"/>
+      </rule>
+      <rule pattern="\s+">
+        <token type="Text"/>
+      </rule>
+    </state>
+    <state name="doublequotestring">
+      <rule pattern="\$[{(]">
+        <token type="LiteralStringInterpol"/>
+        <push state="interpol"/>
+      </rule>
+      <rule pattern="\\.">
+        <token type="LiteralStringEscape"/>
+      </rule>
+      <rule pattern="&#34;">
+        <token type="LiteralString"/>
+        <pop depth="1"/>
+      </rule>
+      <rule pattern="\n">
+        <token type="LiteralString"/>
+      </rule>
+      <rule pattern=".">
+        <token type="LiteralString"/>
+      </rule>
+    </state>
+  </rules>
+</lexer>
diff --git a/lexers/testdata/iscdhcpd.actual b/lexers/testdata/iscdhcpd.actual
new file mode 100644
index 000000000..2dfec0a29
--- /dev/null
+++ b/lexers/testdata/iscdhcpd.actual
@@ -0,0 +1,77 @@
+# dhcpd.conf
+#
+# Sample configuration file for ISC dhcpd
+#
+# Attention: If /etc/ltsp/dhcpd.conf exists, that will be used as
+# configuration file instead of this file.
+#
+
+# option definitions common to all supported networks...
+option domain-name "example.org";
+option domain-name-servers ns1.example.org, ns2.example.org;
+
+default-lease-time 600;
+max-lease-time 7200;
+
+ddns-update-style none;
+
+authoritative;
+
+log-facility local7;
+
+# This is a very basic subnet declaration.
+
+subnet 10.254.239.0 netmask 255.255.255.224 {
+  range 10.254.239.10 10.254.239.20;
+  option routers rtr-239-0-1.example.org, rtr-239-0-2.example.org;
+}
+
+subnet 10.254.239.32 netmask 255.255.255.224 {
+  range dynamic-bootp 10.254.239.40 10.254.239.60;
+  option broadcast-address 10.254.239.31;
+  option routers rtr-239-32-1.example.org;
+}
+
+# A slightly different configuration for an internal subnet.
+subnet 10.5.5.0 netmask 255.255.255.224 {
+  range 10.5.5.26 10.5.5.30;
+  option domain-name-servers ns1.internal.example.org;
+  option domain-name "internal.example.org";
+  option subnet-mask 255.255.255.224;
+  option routers 10.5.5.1;
+  option broadcast-address 10.5.5.31;
+  default-lease-time 600;
+  max-lease-time 7200;
+}
+
+host passacaglia {
+  hardware ethernet 0:0:c0:5d:bd:95;
+  filename "vmunix.passacaglia";
+  server-name "toccata.example.com";
+}
+
+host fantasia {
+  hardware ethernet 08:00:07:26:c0:a5;
+  fixed-address fantasia.example.com;
+}
+
+class "foo" {
+  match if substring (option vendor-class-identifier, 0, 4) = "S\"UNW";
+}
+
+shared-network 224-29 {
+  subnet 10.17.224.0 netmask 255.255.255.0 {
+    option routers rtr-224.example.org;
+  }
+  subnet 10.0.29.0 netmask 255.255.255.0 {
+    option routers rtr-29.example.org;
+  }
+  pool {
+    allow members of "foo";
+    range 10.17.224.10 10.17.224.250;
+  }
+  pool {
+    deny members of "foo";
+    range 10.0.29.10 10.0.29.230;
+  }
+}
diff --git a/lexers/testdata/iscdhcpd.expected b/lexers/testdata/iscdhcpd.expected
new file mode 100644
index 000000000..5b6492959
--- /dev/null
+++ b/lexers/testdata/iscdhcpd.expected
@@ -0,0 +1,345 @@
+[
+  {"type":"Comment","value":"# dhcpd.conf\n#\n# Sample configuration file for ISC dhcpd\n#\n# Attention: If /etc/ltsp/dhcpd.conf exists, that will be used as\n# configuration file instead of this file.\n#\n"},
+  {"type":"Text","value":"\n"},
+  {"type":"Comment","value":"# option definitions common to all supported networks...\n"},
+  {"type":"Keyword","value":"option"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"domain-name"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralString","value":"\"example.org\""},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n"},
+  {"type":"Keyword","value":"option"},
+  {"type":"Text","value":" "},
+  {"type":"Keyword","value":"domain-name-servers"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"ns1.example.org"},
+  {"type":"Punctuation","value":","},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"ns2.example.org"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n\n"},
+  {"type":"NameVariable","value":"default-lease-time"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"600"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n"},
+  {"type":"NameVariable","value":"max-lease-time"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"7200"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n\n"},
+  {"type":"NameVariable","value":"ddns-update-style"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"none"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n\n"},
+  {"type":"Keyword","value":"authoritative"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n\n"},
+  {"type":"NameVariable","value":"log-facility"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"local7"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n\n"},
+  {"type":"Comment","value":"# This is a very basic subnet declaration.\n"},
+  {"type":"Text","value":"\n"},
+  {"type":"KeywordType","value":"subnet"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.254.239.0"},
+  {"type":"Text","value":" "},
+  {"type":"KeywordType","value":"netmask"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"255.255.255.224"},
+  {"type":"Text","value":" "},
+  {"type":"Punctuation","value":"{"},
+  {"type":"Text","value":"\n  "},
+  {"type":"NameVariable","value":"range"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.254.239.10"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.254.239.20"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"Keyword","value":"option"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"routers"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"rtr-239-0-1.example.org"},
+  {"type":"Punctuation","value":","},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"rtr-239-0-2.example.org"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n"},
+  {"type":"Punctuation","value":"}"},
+  {"type":"Text","value":"\n\n"},
+  {"type":"KeywordType","value":"subnet"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.254.239.32"},
+  {"type":"Text","value":" "},
+  {"type":"KeywordType","value":"netmask"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"255.255.255.224"},
+  {"type":"Text","value":" "},
+  {"type":"Punctuation","value":"{"},
+  {"type":"Text","value":"\n  "},
+  {"type":"NameVariable","value":"range"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"dynamic-bootp"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.254.239.40"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.254.239.60"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"Keyword","value":"option"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"broadcast-address"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.254.239.31"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"Keyword","value":"option"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"routers"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"rtr-239-32-1.example.org"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n"},
+  {"type":"Punctuation","value":"}"},
+  {"type":"Text","value":"\n\n"},
+  {"type":"Comment","value":"# A slightly different configuration for an internal subnet.\n"},
+  {"type":"KeywordType","value":"subnet"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.5.5.0"},
+  {"type":"Text","value":" "},
+  {"type":"KeywordType","value":"netmask"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"255.255.255.224"},
+  {"type":"Text","value":" "},
+  {"type":"Punctuation","value":"{"},
+  {"type":"Text","value":"\n  "},
+  {"type":"NameVariable","value":"range"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.5.5.26"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.5.5.30"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"Keyword","value":"option"},
+  {"type":"Text","value":" "},
+  {"type":"Keyword","value":"domain-name-servers"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"ns1.internal.example.org"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"Keyword","value":"option"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"domain-name"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralString","value":"\"internal.example.org\""},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"Keyword","value":"option"},
+  {"type":"Text","value":" "},
+  {"type":"KeywordType","value":"subnet"},
+  {"type":"NameVariable","value":"-mask"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"255.255.255.224"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"Keyword","value":"option"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"routers"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.5.5.1"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"Keyword","value":"option"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"broadcast-address"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.5.5.31"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"NameVariable","value":"default-lease-time"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"600"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"NameVariable","value":"max-lease-time"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"7200"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n"},
+  {"type":"Punctuation","value":"}"},
+  {"type":"Text","value":"\n\n"},
+  {"type":"KeywordType","value":"host"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"passacaglia"},
+  {"type":"Text","value":" "},
+  {"type":"Punctuation","value":"{"},
+  {"type":"Text","value":"\n  "},
+  {"type":"Keyword","value":"hardware"},
+  {"type":"Text","value":" "},
+  {"type":"Keyword","value":"ethernet"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberHex","value":"0:0:c0:5d:bd:95"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"NameVariable","value":"filename"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralString","value":"\"vmunix.passacaglia\""},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"NameVariable","value":"server-name"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralString","value":"\"toccata.example.com\""},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n"},
+  {"type":"Punctuation","value":"}"},
+  {"type":"Text","value":"\n\n"},
+  {"type":"KeywordType","value":"host"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"fantasia"},
+  {"type":"Text","value":" "},
+  {"type":"Punctuation","value":"{"},
+  {"type":"Text","value":"\n  "},
+  {"type":"Keyword","value":"hardware"},
+  {"type":"Text","value":" "},
+  {"type":"Keyword","value":"ethernet"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberHex","value":"08:00:07:26:c0:a5"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"Keyword","value":"fixed-address"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"fantasia.example.com"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n"},
+  {"type":"Punctuation","value":"}"},
+  {"type":"Text","value":"\n\n"},
+  {"type":"KeywordType","value":"class"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralString","value":"\"foo\""},
+  {"type":"Text","value":" "},
+  {"type":"Punctuation","value":"{"},
+  {"type":"Text","value":"\n  "},
+  {"type":"NameVariable","value":"match"},
+  {"type":"Text","value":" "},
+  {"type":"Keyword","value":"if"},
+  {"type":"Text","value":" "},
+  {"type":"NameFunction","value":"substring"},
+  {"type":"Text","value":" "},
+  {"type":"Punctuation","value":"("},
+  {"type":"NameVariable","value":"option"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"vendor-class-identifier"},
+  {"type":"Punctuation","value":","},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"0"},
+  {"type":"Punctuation","value":","},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"4"},
+  {"type":"Punctuation","value":")"},
+  {"type":"Text","value":" "},
+  {"type":"Operator","value":"="},
+  {"type":"Text","value":" "},
+  {"type":"LiteralString","value":"\"S"},
+  {"type":"LiteralStringEscape","value":"\\\""},
+  {"type":"LiteralString","value":"UNW\""},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n"},
+  {"type":"Punctuation","value":"}"},
+  {"type":"Text","value":"\n\n"},
+  {"type":"NameVariable","value":"shared-network"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"224-29"},
+  {"type":"Text","value":" "},
+  {"type":"Punctuation","value":"{"},
+  {"type":"Text","value":"\n  "},
+  {"type":"KeywordType","value":"subnet"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.17.224.0"},
+  {"type":"Text","value":" "},
+  {"type":"KeywordType","value":"netmask"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"255.255.255.0"},
+  {"type":"Text","value":" "},
+  {"type":"Punctuation","value":"{"},
+  {"type":"Text","value":"\n    "},
+  {"type":"Keyword","value":"option"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"routers"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"rtr-224.example.org"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"Punctuation","value":"}"},
+  {"type":"Text","value":"\n  "},
+  {"type":"KeywordType","value":"subnet"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.0.29.0"},
+  {"type":"Text","value":" "},
+  {"type":"KeywordType","value":"netmask"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"255.255.255.0"},
+  {"type":"Text","value":" "},
+  {"type":"Punctuation","value":"{"},
+  {"type":"Text","value":"\n    "},
+  {"type":"Keyword","value":"option"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"routers"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"rtr-29.example.org"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"Punctuation","value":"}"},
+  {"type":"Text","value":"\n  "},
+  {"type":"KeywordType","value":"pool"},
+  {"type":"Text","value":" "},
+  {"type":"Punctuation","value":"{"},
+  {"type":"Text","value":"\n    "},
+  {"type":"NameVariable","value":"allow"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"members"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"of"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralString","value":"\"foo\""},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n    "},
+  {"type":"NameVariable","value":"range"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.17.224.10"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.17.224.250"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"Punctuation","value":"}"},
+  {"type":"Text","value":"\n  "},
+  {"type":"KeywordType","value":"pool"},
+  {"type":"Text","value":" "},
+  {"type":"Punctuation","value":"{"},
+  {"type":"Text","value":"\n    "},
+  {"type":"NameVariable","value":"deny"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"members"},
+  {"type":"Text","value":" "},
+  {"type":"NameVariable","value":"of"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralString","value":"\"foo\""},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n    "},
+  {"type":"NameVariable","value":"range"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.0.29.10"},
+  {"type":"Text","value":" "},
+  {"type":"LiteralNumberFloat","value":"10.0.29.230"},
+  {"type":"Punctuation","value":";"},
+  {"type":"Text","value":"\n  "},
+  {"type":"Punctuation","value":"}"},
+  {"type":"Text","value":"\n"},
+  {"type":"Punctuation","value":"}"},
+  {"type":"Text","value":"\n"}
+]