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| author | Dan Gudmundsson <[email protected]> | 2017-09-13 13:01:51 +0200 |
|---|---|---|
| committer | Glauber Campinho <[email protected]> | 2017-09-13 15:16:19 +0200 |
| commit | 5211e65b8a89f95d8a4371a1fefa252c2fccfea8 (patch) | |
| tree | e25313eda03a89acaa20caaedc843903f95a69e6 | |
| parent | c128db95440cc4caf34cbad5e91e1e26bb5fa6a3 (diff) | |
| download | otp-5211e65b8a89f95d8a4371a1fefa252c2fccfea8.tar.gz otp-5211e65b8a89f95d8a4371a1fefa252c2fccfea8.tar.bz2 otp-5211e65b8a89f95d8a4371a1fefa252c2fccfea8.zip | |
stdlib: Fix jumping to beginning or end of line
When cursor is before or after a multi-codepoint grapheme cluster.
| -rw-r--r-- | lib/stdlib/src/edlin.erl | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/stdlib/src/edlin.erl b/lib/stdlib/src/edlin.erl index 64d5a71f3c..5df9c504f9 100644 --- a/lib/stdlib/src/edlin.erl +++ b/lib/stdlib/src/edlin.erl @@ -412,12 +412,12 @@ do_op(backward_word, Bef0, Aft0, Rs) -> {Bef1,Aft1,N0} = over_non_word(Bef0, Aft0, 0), {Bef,Aft,N} = over_word(Bef1, Aft1, N0), {{Bef,Aft},[{move_rel,-N}|Rs]}; -do_op(beginning_of_line, [C|Bef], Aft, Rs) -> - {{[],reverse(Bef, [C|Aft])},[{move_rel,-(cp_len(Bef)+1)}|Rs]}; +do_op(beginning_of_line, [_|_]=Bef, Aft, Rs) -> + {{[],reverse(Bef, Aft)},[{move_rel,-(cp_len(Bef))}|Rs]}; do_op(beginning_of_line, [], Aft, Rs) -> {{[],Aft},Rs}; -do_op(end_of_line, Bef, [C|Aft], Rs) -> - {{reverse(Aft, [C|Bef]),[]},[{move_rel,cp_len(Aft)+1}|Rs]}; +do_op(end_of_line, Bef, [_|_]=Aft, Rs) -> + {{reverse(Aft, Bef),[]},[{move_rel,cp_len(Aft)}|Rs]}; do_op(end_of_line, Bef, [], Rs) -> {{Bef,[]},Rs}; do_op(ctlu, Bef, Aft, Rs) -> |