The problem is not TortoiseMerge but Powershell. https://stackoverflow.com/questions/1673967/how-to-run-an-exe-file-in-powershell-with-parameters-with-spaces-and-quotes
just use cmd.exe /c ... to run TMerge from a powershell console, or use titles that don't have spaces or colons in it... -- You received this message because you are subscribed to the Google Groups "TortoiseSVN" group. To unsubscribe from this group and stop receiving emails from it, send an email to tortoisesvn+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/tortoisesvn/fb6af966-8894-4bad-9f3f-8f72472719ffn%40googlegroups.com.