If anyone with an answer to that question could also tell me how they found that information, it might save me asking the next time around.

Here's what I'd normally do:

• search for Tk_GetDash in perldoc Tk::Canvas
• search for Dash in perldoc Tk::Canvas
• grep for Tk_GetDash in perl/site/lib/Tk
• grep for Dash in Tk-804.027
• search the mailing list archives ( usually via http://perltk.org, but it doesn't seem to have that feature anymore). The list will yield results that are barely documented anywhere.
• google for it (will find http://www.tcl.tk/man/tcl8.4/TkLib/GetDash.htm).

I mostly end up super searching perlmonks (usually with PodMaster/crazyinsomniac/Jouke/zentara as authors) for snippets :)

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