Andrew Borodin 318315399b Ticket #4397: sort in editor without arguments stopped working.
* (input_get_text): never return NULL. If buffer is empty, return an
empty allocated string.
  * (input_push_history): use new input_get_text.
  * (find_parameters): likewise.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
2022-08-04 11:09:42 +03:00
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