{{#invoke:Sandbox/Luis150902/cleanup|main|string}}, where string is the string to be escaped. This eases the editing of wiki markup containing bidirectional text. Inserting = (escaped form of =) is displayed as ;61#& between right-to-left characters.

• Test 1: {{subst:#invoke:Sandbox/Luis150902/cleanup|main|A}} returned A
• Test 2: {{subst:#invoke:Sandbox/Luis150902/cleanup|main|B}} returned B
• Test 3: {{subst:#invoke:Sandbox/Luis150902/cleanup|main|א}} returned א
• Test 4: {{subst:#invoke:Sandbox/Luis150902/cleanup|main|אתבש}} returned אתבש (Atbash)