fix: Remove more characters from generated sample

Author: Andrew Ferrier

lua/debugprint/init.lua

@@ -51,13 +51,17 @@ local get_current_line_for_printing = function(current_line)
         vim.api.nvim_buf_get_lines(0, current_line - 1, current_line, true)[1]
 
     -- Remove whitespace and any quoting characters which could potentially
-    -- cause a syntax error in the statement being printed.
+    -- cause a syntax error in the statement being printed, or any characters
+    -- which could cause unintended interpolation of expressions
     current_line_contents = current_line_contents:gsub("^%s+", "")
     current_line_contents = current_line_contents:gsub("%s+$", "")
     current_line_contents = current_line_contents:gsub('"', "")
     current_line_contents = current_line_contents:gsub("'", "")
     current_line_contents = current_line_contents:gsub("\\", "")
     current_line_contents = current_line_contents:gsub("`", "")
+    current_line_contents = current_line_contents:gsub("%$", "")
+    current_line_contents = current_line_contents:gsub("{", "")
+    current_line_contents = current_line_contents:gsub("}", "")
 
     if current_line_contents:len() > MAX_SNIPPET_LENGTH then
         current_line_contents = string.sub(