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conditionally apply background colors; update docstrings #20

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conditionally apply background colors; update docstrings #20

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11 changes: 6 additions & 5 deletions coverlay.el
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Original file line number Diff line number Diff line change
Expand Up @@ -87,17 +87,17 @@
:group 'coverlay)

(defcustom coverlay:untested-line-background-color "red4"
"background-color for untested lines."
"background-color for untested lines. Set to nil to disable."
:type 'string
:group 'coverlay)

(defcustom coverlay:tested-line-background-color "green1"
"background-color for tested lines."
"background-color for tested lines. Set to nil to disable."
:type 'string
:group 'coverlay)

(defcustom coverlay:mark-tested-lines t
"background-color for tested lines."
"Whether or not to display the code-coverage overlay."
:type 'boolean
:group 'coverlay)

Expand Down Expand Up @@ -388,8 +388,9 @@

(defun coverlay--overlay-put (ovl color)
"Record actual overlay in OVL with COLOR."
(overlay-put ovl 'face (cons 'background-color color))
(overlay-put ovl 'coverlay t))
(overlay-put ovl 'coverlay t)
(when color
(overlay-put ovl 'face (cons 'background-color color))))

(defun coverlay-map-overlays (tuple-list)
"make-overlay for each of a TUPLE(two line-numbers) LIST."
Expand Down