AddTag

def matchbrace(s, i):
    lv = 0
    for i in xrange(i, len(s)):
        if s[i] == "{": lv += 1
        elif s[i] == "}": lv -= 1
        if lv == 0:
            return i

for irep, sp in enumerate(params["param"]):
    lst = []
    for i in lre.finditer(r"\{\{\{\s*" + sp + "\s*[\|\}]", text):
        begin, end = i.span()
        end = matchbrace(text, begin)
        lst.append((begin, "begin"))
        lst.append((end, "end"))
    lst = sorted(lst)
    lst.append((sys.maxint, sys.maxint))
    ilst = 0
    out = []
    for i in xrange(len(text)):
        if i == lst[ilst][0]:
            if lst[ilst][1] == "begin":
                out.append("{{{" + params["translate"][irep] + "|")
            else:
                out.append("}}}")
            ilst += 1
        out.append(text[i])
    newtext = "".join(out)
    if newtext == text:
        errorlist.append(("param", irep + 1))
    text = newtext