Index: tip/442.md
==================================================================
--- tip/442.md
+++ tip/442.md
@@ -1,7 +1,7 @@
 # TIP 442: Display text in progressbars
-	Author:         René Zaumseil <rzaumseil@kkg.ch>
+	Author:         René Zaumseil <r.zaumseil@freenet.de>
 	Author:         Kevin B Kenny <kevin.b.kenny@gmail.com>
 	Author:         Andreas Leitgeb <avl@logic.at>
 	Author:         Kevin Kenny <Kevin.B.Kenny@gmail.com>
 	State:          Final
 	Type:           Project

Index: tip/496.md
==================================================================
--- tip/496.md
+++ tip/496.md
@@ -1,7 +1,7 @@
 # TIP 496: Display hints in ::entry ::spinbox ::ttk::entry ::ttk::spinbox and ::ttk::combobox
-	Author:         René Zaumseil <rzaumseil@kkg.ch>
+	Author:         René Zaumseil <r.zaumseil@freenet.de>
 	Author:         François Vogel <fvogelnew1@free.fr>
 	State:          Final
 	Type:           Project
 	Vote:           Done
 	Created:        17-Jan-2018

Index: tip/507.md
==================================================================
--- tip/507.md
+++ tip/507.md
@@ -1,7 +1,7 @@
 # TIP 507: Include simple svg support with nanosvg
-	Author:         René Zaumseil <rzaumseil@kkg.ch>
+	Author:         René Zaumseil <r.zaumseil@freenet.de>
 	State:          Draft
 	Type:           Project
 	Vote:           
 	Created:        9-May-2018
 	Post-History:   

Index: tip/510.md
==================================================================
--- tip/510.md
+++ tip/510.md
@@ -49,11 +49,12 @@
 
 Should we change *Rbc* to some other name to prevent name clashes?
 
 Should we export a C-interface?
 
-See also discussion at http://wiki.tcl.tk/55360
+See also discussion at the [wiki]
+(http://wiki.tcl.tk/55360).
 
 # Implementation
 
 A patch implementing these changes will be available in the fossil repository in the [tip-510 branch]
 (https://core.tcl.tk/tk/timeline?r=tip-510).