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https://github.com/kovidgoyal/kitty.git
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Stop setting title to ";" when 0-length OSC 2 is received
Various programs send a 0-length title if no title is configured (e.g., (n)vim with 'title' unset, or mutt without ts_enabled). When this happens, kitty is mis-parsing the data and setting the title to ";".
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@ -310,7 +310,7 @@ dispatch_osc(Screen *screen, PyObject DUMP_UNUSED *dump_callback) {
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}
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if (i > 0) {
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code = utoi(screen->parser_buf, i);
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if (i < limit - 1 && screen->parser_buf[i] == ';') i++;
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if (i < limit && screen->parser_buf[i] == ';') i++;
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}
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PyObject *string = PyUnicode_FromKindAndData(PyUnicode_4BYTE_KIND, screen->parser_buf + i, limit - i);
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if (string != NULL) {
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@ -182,6 +182,9 @@ def test_osc_codes(self):
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c.clear()
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pb('\033]2;;;;\x07', ('set_title', ';;;'))
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self.ae(c.titlebuf, ';;;')
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c.clear()
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pb('\033]2;\x07', ('set_title', ''))
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self.ae(c.titlebuf, '')
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pb('\033]110\x07', ('set_dynamic_color', 110, ''))
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self.ae(c.colorbuf, '')
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