[gtksourceview/gtksourceview-4-6] cpp.lang: add some C++20 keywords

[Christian Hergert <chergert src gnome org>]

commit d9bf4f851fa4572e8a349fa8dad3cd496e7f3883
Author: eyelash <user142 hotmail com>
Date:   Mon Feb 24 21:47:53 2020 +0000

    cpp.lang: add some C++20 keywords

 data/language-specs/cpp.lang | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/data/language-specs/cpp.lang b/data/language-specs/cpp.lang
index 3b19fbfd..51ad637b 100644
--- a/data/language-specs/cpp.lang
+++ b/data/language-specs/cpp.lang
@@ -56,14 +56,19 @@
                     <keyword>bitor</keyword>
                     <keyword>catch</keyword>
                     <keyword>compl</keyword>
+                    <keyword>concept</keyword>
+                    <keyword>consteval</keyword>
                     <keyword>constexpr</keyword>
                     <keyword>const_cast</keyword>
                     <keyword>decltype</keyword>
                     <keyword>delete</keyword>
                     <keyword>dynamic_cast</keyword>
+                    <keyword>export</keyword>
                     <keyword>false</keyword>
                     <keyword>final</keyword>
                     <keyword>friend</keyword>
+                    <keyword>import</keyword>
+                    <keyword>module</keyword>
                     <keyword>new</keyword>
                     <keyword>noexcept</keyword>
                     <keyword>not</keyword>
@@ -77,6 +82,7 @@
                     <keyword>protected</keyword>
                     <keyword>public</keyword>
                     <keyword>reinterpret_cast</keyword>
+                    <keyword>requires</keyword>
                     <keyword>static_assert</keyword>
                     <keyword>static_cast</keyword>
                     <keyword>this</keyword>
@@ -101,7 +107,6 @@
                     <keyword>char16_t</keyword>
                     <keyword>char32_t</keyword>
                     <keyword>explicit</keyword>
-                    <keyword>export</keyword>
                     <keyword>inline</keyword>
                     <keyword>mutable</keyword>
                     <keyword>nullptr_t</keyword>