[SERVER-14399] linenoise handles backspace incorrectly with Korean character set - MongoDB Jira

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Details

Type: Bug
Status: Closed
Priority: Major - P3
Resolution: Duplicate
Affects Version/s: 2.7.3
Fix Version/s: None
Component/s: Shell
Labels:
- pull-request

Operating System:
ALL
Steps To Reproduce:
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Open mongo shell.
Insert multi-byte sequence as a find document such as:

> db.item.find({'type':"한글블라블라블라"})

Move the cursor to a few characters before the terminating quotation and hit backspace.

The terminating quotation will disappear.
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Open mongo shell. Insert multi-byte sequence as a find document such as: > db.item.find({'type':"한글블라블라블라"}) Move the cursor to a few characters before the terminating quotation and hit backspace. The terminating quotation will disappear.

Description

Typing a backspace sequence within a string containing the Korean character set will incorrectly mutate the string in the shell. For example, if editing a string within a set of quotations, the terminating quotation may disappear.

This may affect more character sets than Korean.