From 7f93ffb1839c39e16495c8feb450e9ae00a3777f Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Mon, 18 Mar 2019 16:08:14 -0400
Subject: ob_set_source_substvar(), ob_substvars(): Rename eval'ed var

---
diff --git a/lib/control.sh b/lib/control.sh
index 37123dd..d25527f 100644
--- a/lib/control.sh
+++ b/lib/control.sh
@@ -211,7 +211,7 @@ ob_set_source_substvar()
 	# Trim leading and trailing whitespace from value.
 	value="$(printf '%s' "${value}" | sed -n "${_OB_SUBSTVAR_TRIM_SED}")"
 
-	eval "_OB_SUBSTVAR_${name}=\"\${value}\""
+	eval "_OB_SUBSTVAR_SRC_${name}=\"\${value}\""
 
 	return 0
 }
@@ -279,7 +279,7 @@ ob_substvars()
 			${name}
 			EOF
 			)"
-		value="$(eval "printf '%s' \"\${_OB_SUBSTVAR_${name}}\"")"
+		value="$(eval "printf '%s' \"\${_OB_SUBSTVAR_SRC_${name}}\"")"
 		string="${lhs}${value}${rhs}"
 		depth=$((${depth} + 1))
 	done
--
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