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Jan 18, 2015
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Improve docs for haskell-simple-indent. #434

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18 changes: 13 additions & 5 deletions haskell-simple-indent.el
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Expand Up @@ -82,11 +82,19 @@
;; Partly stolen from `indent-relative' in indent.el:
(defun haskell-simple-indent ()
"Space out to under next visible indent point.
Indent points are positions of non-whitespace following whitespace in
lines preceeding point. A position is visible if it is to the left of
the first non-whitespace of every nonblank line between the position and
the current line. If there is no visible indent point beyond the current
column, `tab-to-tab-stop' is done instead."

Indent points are positions of non-whitespace following
whitespace in lines preceeding point. Example:

func arg cx = when (isTrue) $ do
print 42
^ ^ ^ ^ ^ ^ ^ ^ ^ ^

A position is visible if it is to the left of the first
non-whitespace (indentation) of every nonblank line between the
position and the current line. If there is no visible indent
point beyond the current column, position given by
`indent-next-tab-stop' is used instead."
(interactive)
(let* ((start-column (current-column))
(invisible-from nil) ; `nil' means infinity here
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