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misc/emacs: refine label detection
Based on idea in http://patch-tracker.debian.org/patch/series/view/golang/1:59-1/008-emacs-mode-key-literal-indent.patch Fixes #2174. R=amdragon, ajmani, amdragon CC=golang-dev https://golang.org/cl/4922049
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@ -7,7 +7,6 @@
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;;; To do:
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;;; To do:
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;; * Indentation is *almost* identical to gofmt
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;; * Indentation is *almost* identical to gofmt
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;; ** We think struct literal keys are labels and outdent them
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;; ** We disagree on the indentation of function literals in arguments
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;; ** We disagree on the indentation of function literals in arguments
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;; ** There are bugs with the close brace of struct literals
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;; ** There are bugs with the close brace of struct literals
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;; * Highlight identifiers according to their syntactic context: type,
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;; * Highlight identifiers according to their syntactic context: type,
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@ -401,7 +400,8 @@ indented one level."
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(setq first nil))))
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(setq first nil))))
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;; case, default, and labels are outdented 1 level
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;; case, default, and labels are outdented 1 level
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(when (looking-at "\\<case\\>\\|\\<default\\>\\|\\w+\\s *:\\(\\S.\\|$\\)")
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;; assume that labels are alone on the line
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(when (looking-at "\\<case\\>\\|\\<default\\>\\|\\w+\\s *:\\s *$")
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(decf indent tab-width))
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(decf indent tab-width))
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;; Continuation lines are indented 1 level
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;; Continuation lines are indented 1 level
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