[gtk/demo-keywords: 1/3] gtk-demo: Ignore some lines in info

[Matthias Clasen <matthiasc src gnome org>]

commit dadea2df7324b2f11ac315031571cd4cedb00281
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Sep 13 10:45:03 2020 -0400

    gtk-demo: Ignore some lines in info
    
    Ignore lines starting with # in the info comment at
    the top of source files. This will be used to add
    keywords for search in following commits.

 demos/gtk-demo/main.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/demos/gtk-demo/main.c b/demos/gtk-demo/main.c
index 9abbd0f943..3011c3e890 100644
--- a/demos/gtk-demo/main.c
+++ b/demos/gtk-demo/main.c
@@ -581,6 +581,9 @@ load_file (const char *demoname,
               while (g_ascii_isspace (*(p + len - 1)))
                 len--;
 
+              if (*p == '#')
+                break;
+
               if (len > 0)
                 {
                   if (in_para)