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patch 8.2.3916: no error for passing an invalid line number to append()

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Problem:    No error for passing an invalid line number to append().
Solution:   In Vim9 script check for a non-negative number. (closes #9417)
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Bram Moolenaar
2021-12-27 20:57:06 +00:00
parent 4b28ba3245
commit 8dac2acd6a
7 changed files with 31 additions and 8 deletions
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4
src/errors.h
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@@ -357,6 +357,10 @@ EXTERN char e_using_invalid_value_as_string_str[]
EXTERN char e_cannot_index_special_variable[]
INIT(= N_("E909: Cannot index a special variable"));
#endif
EXTERN char_u e_invalid_column_number_nr[]
INIT(= N_("E964: Invalid column number: %ld"));
EXTERN char_u e_invalid_line_number_nr[]
INIT(= N_("E966: Invalid line number: %ld"));
EXTERN char e_command_not_supported_in_vim9_script_missing_var_str[]
INIT(= N_("E1100: Command not supported in Vim9 script (missing :var?): %s"));
#ifdef FEAT_EVAL