Remove -zz warning and add doc/strings early draft

doc/strings

@@ -0,0 +1,32 @@
+Loading strings from binaries
+=============================
+
+TODO: explain bin.minstr
+
+Config vars
+-----------
+bin.strings  =  [true]  - load strings from file
+bin.rawstr   =  [false] - load strings from unknown rbin
+
+Program args
+------------
+rabin2 -z   # list strings
+rabin2 -zz  # list strings from raw binary (unknown rbin type)
+
+Examples
+--------
+
+r2 -e bin.rawstr=true
+r2 -z   # do not load strings (same as bin.strings=false)
+r2 -zz  # load strings even if unknown bin (same as bin.rawstr=true)
+r2 -n   # do not load symbols or anything
+r2 -e bin.strings=false # load symbols but not strings
+if (bin.strings) {
+  if RBin.format(isKnown) {
+    loadStrings()
+  } else {
+    if (bin.rawstr)
+      loadStrings()
+  }
+}
+

libr/core/bin.c

@@ -121,8 +121,10 @@ static int bin_strings (RCore *r, int mode, ut64 baddr, int va) {
 	if (plugin->info && plugin->name) {
 		if (!strcmp (plugin->name, "any")) {
 			if (!rawstr) {
+#if 0
 				eprintf ("NOTE: Use '-e bin.rawstr=true' or 'r2 -zz' or '.!rabin2 -zz $FILE'"
 					" to find strings on unknown file types\n");
+#endif
 				return R_FALSE;
 
 			}