Fix percentage validation in CheckLength (#912)

Fixes #910
2020-11-22 10:45:32 -08:00 · 2020-11-22 10:45:32 -08:00 · 20f1e3c7bc
parent c0e6d6807e
commit 20f1e3c7bc
1 changed files with 7 additions and 1 deletions
--- a/src/attrs.c
+++ b/src/attrs.c
@ -1856,13 +1856,19 @@ void CheckLength( TidyDocImpl* doc, Node *node, AttVal *attval)
    }
    else
    {
+        Bool percentFound = no;
        while (*p)
        {
-            if (!TY_(IsDigit)(*p) && *p != '%')
+            if (!percentFound && *p == '%')
+            {
+                percentFound = yes;
+            }
+            else if (percentFound || !TY_(IsDigit)(*p))
            {
                TY_(ReportAttrError)( doc, node, attval, BAD_ATTRIBUTE_VALUE);
                break;
            }
+
            ++p;
        }
    }