added check for "diff"
@ -178,6 +178,7 @@ global_variables() {
# Test if the markdown script is working correctly
test_markdown() {
[[ -z "$markdown_bin" ]] && return 1
[[ -z "$(which diff)" ]] && return 1
in="/tmp/md-in-$(echo $RANDOM).md"
out="/tmp/md-out-$(echo $RANDOM).html"
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