bugfix:  in the file browser, the “Showing only files that contain “ is often wrong (off by one last letter)
bugfix:  in the file browser, the “Showing only files that contain “ is often wrong (off by one last letter)

DrXyzzy/smc,tscholl2/smc,sagemathinc/smc,sagemathinc/smc,tscholl2/smc,DrXyzzy/smc,tscholl2/smc,tscholl2/smc,DrXyzzy/smc,sagemathinc/smc,sagemathinc/smc,tscholl2/smc,DrXyzzy/smc