[gtksourceview: 1/3] cpp.lang: highlight nullptr as a special constant

[Christian Hergert <chergert src gnome org>]

commit 60c75f9d2ea17069518fca0a7730d2f4e06fa2c1
Author: Elias Aebi <353-eyelash users noreply gitlab gnome org>
Date:   Mon Jan 10 19:39:04 2022 +0100

    cpp.lang: highlight nullptr as a special constant

 data/language-specs/cpp.lang | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/data/language-specs/cpp.lang b/data/language-specs/cpp.lang
index 8f350c10..bc20eba6 100644
--- a/data/language-specs/cpp.lang
+++ b/data/language-specs/cpp.lang
@@ -35,6 +35,7 @@
         <style id="raw-string" name="Raw String" map-to="def:string"/>
         <style id="keyword" name="Keyword" map-to="c:keyword"/>
         <style id="type" name="Data Type" map-to="c:type"/>
+        <style id="nullptr" name="Null Pointer Value" map-to="def:special-constant"/>
         <style id="common-defines" name="Common Defines" map-to="c:common-defines"/>
     </styles>
 
@@ -73,7 +74,6 @@
                     <keyword>noexcept</keyword>
                     <keyword>not</keyword>
                     <keyword>not_eq</keyword>
-                    <keyword>nullptr</keyword>
                     <keyword>operator</keyword>
                     <keyword>or</keyword>
                     <keyword>or_eq</keyword>
@@ -107,6 +107,10 @@
                     <keyword>nullptr_t</keyword>
                 </context>
 
+                <context id="nullptr" style-ref="nullptr">
+                    <keyword>nullptr</keyword>
+                </context>
+
                 <context id="common-defines" style-ref="common-defines">
                     <keyword>__STDC__</keyword>
                     <keyword>__cplusplus</keyword>