Stairways Software has released Keyboard Maestro 6.4 with support for reading and modifying file tags in OS X 10.9 Mavericks. Amongst the update’s more than 50 changes, the automation utility also improves accessibility and VoiceOver support, adds asynchronous options for executing scripts and sub-macros, adds several new AppleScript commands, plugs a memory leak in the image finding code, and fixes a number of potential crashes. ($36 new with a 20 percent discount for TidBITS members, free update, 24.4 MB, release notes)
Fun Way to Send Attachments in Mail
If you're working in a file that you want to attach to a message in Apple Mail, you can transfer the file to Mail easily: From the title bar of the file's window, drag the little proxy icon to Mail's icon on the Dock. Your Mac will make Mail the active application and open a new outgoing message, with the file attached.
(If your icon won't drag, the file probably isn't saved.)
Keyboard Maestro 6.4
Set up short abbreviations which expand to larger bits of text,
such as "Tx" for "TextExpander". With the new custom keyboard,
you can expand abbreviations in any app, including Safari and