diff --git a/doc/lispref/modes.texi b/doc/lispref/modes.texi
index 9d38fe6af95..abc12546410 100644
--- a/doc/lispref/modes.texi
+++ b/doc/lispref/modes.texi
@@ -4241,7 +4241,7 @@ Here is an example of an indentation function:
     (`(:elem . basic) sample-indent-basic)
     (`(,_ . ",") (smie-rule-separator kind))
     (`(:after . ":=") sample-indent-basic)
-    (`(:before . ,(or `"begin" `"(" `"@{")))
+    (`(:before . ,(or `"begin" `"(" `"@{"))
      (if (smie-rule-hanging-p) (smie-rule-parent)))
     (`(:before . "if")
      (and (not (smie-rule-bolp)) (smie-rule-prev-p "else")
diff --git a/doc/misc/tramp.texi b/doc/misc/tramp.texi
index 358f6fc542e..4195ef7a51f 100644
--- a/doc/misc/tramp.texi
+++ b/doc/misc/tramp.texi
@@ -443,7 +443,7 @@ are optional, in case of a missing part a default value is assumed.
 The default value for an empty local file name part is the remote
 user's home directory.  The shortest remote file name is
 @file{@trampfn{-,,}}, therefore.  The @samp{-} notation for the
-default host is used for syntactical reasons, @ref{Default Host}.
+default method is used for syntactical reasons, @ref{Default Method}.
 
 The @code{method} part describes the connection method used to reach
 the remote host, see below.
diff --git a/etc/PROBLEMS b/etc/PROBLEMS
index 25e129bcd99..15e34ea06f8 100644
--- a/etc/PROBLEMS
+++ b/etc/PROBLEMS
@@ -746,6 +746,11 @@ versions of gnutls-cli, or use Emacs's built-in gnutls support.
 
 ** Characters are displayed as empty boxes or with wrong font under X.
 
+*** This may be due to your local fontconfig customization.
+Try removing or moving aside "$XDG_CONFIG_HOME/fontconfig/conf.d" and
+"$XDG_CONFIG_HOME/fontconfig/fonts.conf"
+($XDG_CONFIG_HOME is treated as "~/.config" if not set)
+
 *** This can occur when two different versions of FontConfig are used.
 For example, XFree86 4.3.0 has one version and Gnome usually comes
 with a newer version.  Emacs compiled with Gtk+ will then use the