diff --git a/syntax/README b/syntax/README
index 6c65422..04af9ff 100644
--- a/syntax/README
+++ b/syntax/README
@@ -5,9 +5,12 @@ you can install the configuration file correctly.
 Currently the supported text editors:
     geany
     kate
-    kwrite    - uses kate syntax highlighting
-    kdevelop  - uses kate syntax highlighting
-    QtCreator - supports kate syntax highlighting
+    kwrite        - uses kate syntax highlighting
+    kdevelop      - uses kate syntax highlighting
+    QtCreator     - supports kate syntax highlighting
+    gtksourceview - main source viewer in GNOME
+    gedit         - uses gtksourceview
+    sandy         - uses gtksourceview
     nano
 
 
diff --git a/syntax/gtksourceview/README b/syntax/gtksourceview/README
new file mode 100644
index 0000000..73a6072
--- /dev/null
+++ b/syntax/gtksourceview/README
@@ -0,0 +1,5 @@
+To use the gtksourceview syntax highlighting install qc.lang to the syntax
+directory for gtksourceview
+
+# Can be installed globally to
+/usr/share/gtksourceview-[version]/language-specs/
diff --git a/syntax/gtksourceview/qc.lang b/syntax/gtksourceview/qc.lang
new file mode 100644
index 0000000..827290f
--- /dev/null
+++ b/syntax/gtksourceview/qc.lang
@@ -0,0 +1,173 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<language id="qc" _name="QuakeC" version="1.0" _section="Sources">
+  <metadata>
+    <property name="globs">*.qc</property>
+    <property name="line-comment-start">//</property>
+    <property name="block-comment-start">/*</property>
+    <property name="block-comment-end">*/</property>
+  </metadata>
+
+  <styles>
+    <style id="comment"           _name="Comment"               map-to="def:comment"/>
+    <style id="string"            _name="String"                map-to="def:string"/>
+    <style id="preprocessor"      _name="Preprocessor"          map-to="def:preprocessor"/>
+    <style id="common-defines"    _name="Common Defines"        map-to="def:special-constant"/>
+    <style id="included-file"     _name="Included File"         map-to="def:string"/>
+    <style id="keyword"           _name="Keyword"               map-to="def:keyword"/>
+    <style id="type"              _name="Data Type"             map-to="def:type"/>
+    <style id="escaped-character" _name="Escaped Character"     map-to="def:special-char"/>
+    <style id="floating-point"    _name="Floating point number" map-to="def:floating-point"/>
+    <style id="decimal"           _name="Decimal number"        map-to="def:decimal"/>
+    <style id="hexadecimal"       _name="Hexadecimal number"    map-to="def:base-n-integer"/>
+    <style id="boolean"           _name="Boolean value"         map-to="def:boolean"/>
+  </styles>
+
+  <definitions>
+
+    <!--regexs-->
+    <define-regex id="preproc-start">^\s*#\s*</define-regex>
+    <define-regex id="escaped-character" extended="true">
+      \\(                   # leading backslash
+      [\\\"\'nrbtfav\?] |   # escaped character
+      [0-7]{1,3} |          # one, two, or three octal digits
+      x[0-9A-Fa-f]+         # 'x' followed by hex digits
+      )
+    </define-regex>
+
+    <!-- Preprocessor -->
+    <context id="if0-comment" style-ref="comment">
+      <start>\%{preproc-start}if\b\s*0\b</start>
+      <end>\%{preproc-start}(endif|else|elif)\b</end>
+      <include>
+        <context id="if-in-if0">
+          <start>\%{preproc-start}if(n?def)?\b</start>
+          <end>\%{preproc-start}endif\b</end>
+          <include>
+            <context ref="if-in-if0"/>
+            <context ref="def:in-comment"/>
+          </include>
+        </context>
+        <context ref="def:in-comment"/>
+      </include>
+    </context>
+    <context id="include" style-ref="preprocessor">
+      <match extended="true">
+        \%{preproc-start}
+        (include|import)\s*
+        (".*?"|&lt;.*&gt;)
+      </match>
+      <include>
+        <context id="included-file" sub-pattern="2" style-ref="included-file"/>
+      </include>
+    </context>
+    <context id="preprocessor" style-ref="preprocessor" end-at-line-end="true">
+      <start extended="true">
+        \%{preproc-start}
+        (define|undef|error|pragma|ident|if(n?def)?|else|elif|endif|line|warning)
+        \b
+      </start>
+      <include>
+        <context ref="def:line-continue" ignore-style="true"/>
+        <context ref="string" ignore-style="true"/>
+        <context ref="def:qc-like-comment"/>
+        <context ref="def:qc-like-comment-multiline"/>
+      </include>
+    </context>
+
+    <context id="float" style-ref="floating-point">
+      <match extended="true">
+        (?&lt;![\w\.])
+        ((\.[0-9]+ | [0-9]+\.[0-9]*) ([Ee][+-]?[0-9]*)? |
+         ([0-9]+[Ee][+-]?[0-9]*))
+        [fFlL]?
+        (?![\w\.])
+      </match>
+    </context>
+
+    <context id="hexadecimal" style-ref="hexadecimal">
+      <match extended="true">
+        (?&lt;![\w\.])
+        0[xX][a-fA-F0-9]+[uUlL]*
+        (?![\w\.])
+      </match>
+    </context>
+
+    <context id="invalid-hexadecimal" style-ref="error">
+      <match extended="true">
+        (?&lt;![\w\.])
+        0[xX][a-fA-F0-9]*[g-zG-Z][a-zA-Z0-9]*[uUlL]*
+        (?![\w\.])
+      </match>
+    </context>
+
+    <context id="decimal" style-ref="decimal">
+      <match extended="true">
+        (?&lt;![\w\.])
+        (0|[1-9][0-9]*)[uUlL]*
+        (?![\w\.])
+      </match>
+    </context>
+
+    <context id="keywords" style-ref="keyword">
+      <keyword>break</keyword>
+      <keyword>case</keyword>
+      <keyword>continue</keyword>
+      <keyword>default</keyword>
+      <keyword>do</keyword>
+      <keyword>else</keyword>
+      <keyword>enum</keyword>
+      <keyword>for</keyword>
+      <keyword>goto</keyword>
+      <keyword>if</keyword>
+      <keyword>return</keyword>
+      <keyword>switch</keyword>
+      <keyword>typedef</keyword>
+      <keyword>while</keyword>
+      <keyword>nil</keyword>
+    </context>
+
+    <context id="types" style-ref="type">
+      <keyword>bool</keyword>
+      <keyword>string</keyword>
+      <keyword>vector</keyword>
+      <keyword>float</keyword>
+      <keyword>void</keyword>
+    </context>
+
+    <context id="boolean" style-ref="boolean">
+      <keyword>true</keyword>
+      <keyword>false</keyword>
+    </context>
+
+    <context id="common-defines" style-ref="common-defines">
+      <keyword>__LINE__</keyword>
+      <keyword>__FILE__</keyword>
+      <keyword>__TIME__</keyword>
+      <keyword>__RANDOM__</keyword>
+      <keyword>__RANDOM_LAST__</keyword>
+      <keyword>__COUNTER__</keyword>
+      <keyword>__COUNTER_LAST__</keyword>
+      <keyword>__DATE__</keyword>
+    </context>
+
+    <context id="qc" class="no-spell-check">
+      <include>
+        <context ref="def:qc-like-comment"/>
+        <context ref="def:qc-like-comment-multiline"/>
+        <context ref="def:qc-like-close-comment-outside-comment"/>
+        <context ref="if0-comment"/>
+        <context ref="include"/>
+        <context ref="preprocessor"/>
+        <context ref="string"/>
+        <context ref="float"/>
+        <context ref="hexadecimal"/>
+        <context ref="invalid-hexadecimal"/>
+        <context ref="decimal"/>
+        <context ref="keywords"/>
+        <context ref="types"/>
+        <context ref="boolean"/>
+        <context ref="common-defines"/>
+      </include>
+    </context>
+  </definitions>
+</language>