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-rw-r--r--snakemake-mode.el7
1 files changed, 6 insertions, 1 deletions
diff --git a/snakemake-mode.el b/snakemake-mode.el
index ecb215f..e8a146a 100644
--- a/snakemake-mode.el
+++ b/snakemake-mode.el
@@ -206,9 +206,14 @@ block whose last field is 'run'."
(defun snakemake-previous-field-value-column ()
"Get column for previous field value.
+
If directly below a field key, this corresponds to the column for
the first non-blank character after 'key:'. Otherwise, it is the
-column of the first non-blank character."
+column of the first non-blank character.
+
+This function assumes that the previous line is a field value (in
+other words, that point is at or beyond the third line of a rule
+or subworkflow block."
(save-excursion
(forward-line -1)
(beginning-of-line)