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+Thread unsafe.
+Only two functions, QRspec_newFrame() and init_rs(), are thread unsafe, but
+most of qrencode functions are thread unsafe because of them.
+
+This package contains
+*.c and *.h files (total): 8077 lines, 198863 bytes.
+configure script : 22539 lines, 725612 bytes.
+It's absolutely crazy.
+
+Documents (not only the README, but also the manual of the library) needs
+revision of grammer, spell or to resolve ambiguity or incomplete descriptions.
+Feel really free to send us your revision.