\n\n\n\nFirst blyg!
\nI've never used the TK notation before. Here's a quick history.
\n\n\nThe mark is copy-desk shorthand for "to come," and like much of that trade's private orthography — hed, dek, graf, lede — it is deliberately misspelled so that it can never be mistaken for the thing itself. The digraph tk is close to orthographically impossible in English, which makes it trivially searchable: a page can be swept for unfinished business before it goes to press without a single false positive. Magazine shops, Time Inc.'s in particular, ran on it. Hed TK. Art TK. Fact-check TK. Doubled to TKTK when the hole was larger than a phrase, or stretched across a whole paragraph the writer knew had to exist but could not yet write. What survives in drafting software today is that habit, formalized: a placeholder that announces its own incompleteness, holds its place in the argument, and waits to be replaced by the sentence it was standing in for.
\nheh i also looked this up... the [/tk] closer seemed inelegant to be traditional so i looked into that too:
\nthere’s no standard closing form like “/tk” or “[/tk].” Paired opening and closing tags are a feature of markup languages such as HTML, not the usual editorial use of TK.
\n\n
In an earlier iteration fable designed a really ugly asymmetric TK markup with unbalanced brackets. I forced it to do a properly balanced version.
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