[gedit] docs: common-bugs: add problem with very large files

[Sébastien Wilmet <swilmet src gnome org>]

commit 1bfee6cc247e3fde28e8f328328b949d5b5a302b
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon Oct 26 20:34:24 2020 +0100

    docs: common-bugs: add problem with very large files

 docs/common-bugs.md | 8 ++++++++
 1 file changed, 8 insertions(+)
---
diff --git a/docs/common-bugs.md b/docs/common-bugs.md
index 932dccd7b..032debd87 100644
--- a/docs/common-bugs.md
+++ b/docs/common-bugs.md
@@ -12,6 +12,14 @@ supported by gedit, there can be performance problems or freezes.
 
 [GitLab issue](https://gitlab.gnome.org/GNOME/gtk/issues/229).
 
+Problem with very large files
+-----------------------------
+
+Large files are not well supported, gedit should ask for confirmation when
+opening such files, providing a solution.
+
+[GitLab issue](https://gitlab.gnome.org/GNOME/gedit/issues/197).
+
 Hyphen/dash inserted for text wrapping
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