[evolution] news-to-appdata: Escape text exported to XML

[Milan Crha <mcrha src gnome org>]

commit 0be7264fde75b828e53636a6d58a22583f929d94
Author: Milan Crha <mcrha redhat com>
Date:   Wed Nov 3 07:21:45 2021 +0100

    news-to-appdata: Escape text exported to XML

 news-to-appdata.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)
---
diff --git a/news-to-appdata.c b/news-to-appdata.c
index f8466fea33..98db7cd4e6 100644
--- a/news-to-appdata.c
+++ b/news-to-appdata.c
@@ -321,6 +321,7 @@ main (gint argc,
        for (vlink = versions; vlink; vlink = g_slist_next (vlink)) {
                EVersion *version = vlink->data;
                GSList *slink;
+               gchar *tmp;
 
                if (g_strcmp0 (version->version, last_version) != 0) {
                        if (last_version) {
@@ -329,19 +330,24 @@ main (gint argc,
                        }
 
                        /* Uses the release data of the first noticed version */
-                       fprintf (output, "    <release version=\"%s\" date=\"%s\" type=\"%s\">\n", 
version->version, version->date, release_type);
+                       tmp = g_markup_printf_escaped ("    <release version=\"%s\" date=\"%s\" 
type=\"%s\">\n", version->version, version->date, release_type);
+                       fprintf (output, "%s", tmp);
                        fprintf (output, "      <description>\n");
 
                        last_version = version->version;
+                       g_free (tmp);
                }
 
                for (slink = version->sections; slink; slink = g_slist_next (slink)) {
                        ESection *section = slink->data;
 
                        if (multiple_projects && section->items)
-                               fprintf (output, "        <p>%s %s</p>\n", version->project_name, 
section->header);
+                               tmp = g_markup_printf_escaped ("        <p>%s %s</p>\n", 
version->project_name, section->header);
                        else
-                               fprintf (output, "        <p>%s</p>\n", section->header);
+                               tmp = g_markup_printf_escaped ("        <p>%s</p>\n", section->header);
+
+                       fprintf (output, "%s", tmp);
+                       g_free (tmp);
 
                        if (section->items) {
                                GSList *ilink;
@@ -351,7 +357,9 @@ main (gint argc,
                                for (ilink = section->items; ilink; ilink = g_slist_next (ilink)) {
                                        const gchar *item = ilink->data;
 
-                                       fprintf (output, "          <li>%s</li>\n", item);
+                                       tmp = g_markup_printf_escaped ("          <li>%s</li>\n", item);
+                                       fprintf (output, "%s", tmp);
+                                       g_free (tmp);
                                }
 
                                fprintf (output, "        </ul>\n");