# Tag Info

16

This method only returns a few of them, hopefully including some undocumented ones. It's not intended to be a complete answer. fnames = FileNames[ "*.nb" | "*.tr", {FileNameJoin[{$InstallationDirectory, "SystemFiles", "FrontEnd", "StyleSheets"}], FileNameJoin[{$InstallationDirectory, "SystemFiles", "FrontEnd", "TextResources"}], ...

11

I got a request to post here the undocumented tokens I already posted in an old answer on SO. For completion, I merged my list (which is also in the link provided by @Chris) with @Rojo's list, so to have here a repository of all known FE tokens. Please feel free to update this answer as new tokens are found. { {"AlignBottoms"}, ...

10

There is a list posted in 2009 from John Fultz on the MathGroup here. No version information. Rojo's list has some new ones. Length@RojosList 56 Length@JohnsList 266 Length@Intersection[RojosList, JohnsList] 35

3

This is an easy application of Gather and replacement rules. Assuming your two lists are: list1 = {{a, b, c, {d, e, f}, g, h}, {l, m, n, {o, p, q}, r, s}, {u, v, w, {x, y, z}, a, b}}; list2 = {{a, b, c, {d, e, f}, i, j}, {u, v, w, {x, y, z}, d, e}}; then you can join them as desired with Gather[list1 ~Join~ list2, #1[[;; 4]] == #2[[;; 4]] &] /. ...

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