Fix escape do TeXu

src/formatitko/tex_generator.py

@@ -27,19 +27,25 @@ class UCWTexGenerator(OutputGenerator):
 		super().__init__(output_file, *args, **kwargs)
 
 	def escape_special_chars(self, text: str) -> str:
-		text = text.replace("&", r"\&")
-		text = text.replace("%", r"\%")
-		text = text.replace("$", r"\$")
-		text = text.replace("#", r"\#")
-		text = text.replace("_", r"\_")
-		text = text.replace("{", r"\{")
-		text = text.replace("}", r"\}")
-		text = text.replace("~", r"\textasciitilde{}")
-		text = text.replace("^", r"\textasciicircum{}")
-		text = text.replace("\\", r"\textbackslash{}")
-		text = text.replace(" ", "~") # We use unicode no-break spaces to force nbsp in output
-		text = text.replace("​", "")
-		return text
+		if '\\' in text:
+			print("ESCAPE", text)
+		out = ""
+		for char in text:
+			out += {
+				'&': r"\&",
+				'%': r"\%",
+				'$': r"\$",
+				'#': r"\#",
+				'_': r"\_",
+				'{': r"\{",
+				'}': r"\}",
+				'~': r"\textasciitilde{}",
+				'^': r"\textasciicircum{}",
+				'\\': r"\textbackslash{}",
+				' ': r"~",
+				'​': r"",
+			}.get(char, char)
+		return out
 
 	def generate(self, e: Union[Element, ListContainer]):
 		if hasattr(e, "attributes") and "only" in e.attributes and e.attributes["only"] != "tex":