Open the dayone.svg
file using the FireFox browser
Choose The FireFox menu item View: Page Source (or press control-u) to see the code
Choose Select All from the Edit menu, then choose Copy from the Edit menu
Open the Text Editor from the Ubuntu application menu
Choose Paste from the Edit menu of the text editor, gEdit
Save the gEdit file to your flash drive (USB key) or the desktop using the gEdit menu File: Save as
In the gEdit Save As... dialog box, choose where you will save your file. Give the name "dayone.svg" with no spaces
From the Ubuntu Places menu, open up the location where you saved your file
Right Click on the dayone.svg file you saved and choose to Open With the FireFox browser
The file should display in your browser
To make working easier, arrange your desktop as seen above, keeping both gEdit and FireFox both open. Edit in gEdit, click on Refresh in FireFox to see the result