improve cutcolorstring

now takes the width of characters into account

also: fix wraparound for docrefs

source/src/protocol.cpp

@@ -377,17 +377,6 @@ void trimtrailingwhitespace(char *s)
         s[n] = '\0';
 }
 
-void cutcolorstring(char *text, int len)
-{ // limit string length, ignore color codes
-    while(*text)
-    {
-        if(*text == '\f' && text[1]) text++;
-        else len--;
-        if(len < 0) { *text = '\0'; break; }
-        text++;
-    }
-}
-
 const char *modefullnames[] =
 {
     "demo playback",