added clarifying comment

diff --git a/src/extension/parameter.cpp b/src/extension/parameter.cpp
index 3dc0842ecc6ceb2316dc7cdd8153472d4471622c..66405e57ecd7e8efca9d4921152f3b8924e87f3a 100644 (file)
--- a/src/extension/parameter.cpp
+++ b/src/extension/parameter.cpp
@@ -16,7 +16,7 @@
 # include "config.h"
 #endif
 
-#ifdef linux
+#ifdef linux  // does the dollar sign need escaping when passed as string parameter?
 # define ESCAPE_DOLLAR_COMMANDLINE
 #endif