Merge branch 'fix/developer/11814-kmx_u16-buffer-overrun' into fix/developer/correct-use-of-u16chr-when-second-parameter-could-be-null

…e-of-u16chr-when-second-parameter-could-be-null

# Keyman Conventional Commit suggestions:
#
# - Link to a Sentry issue with git trailer:
#     Fixes: _MODULE_-_ID_
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…g of context before test cases

… u16tok_char_delim

…e test

…) test

…e-of-u16chr-when-second-parameter-could-be-null

# Keyman Conventional Commit suggestions:
#
# - Link to a Sentry issue with git trailer:
#     Fixes: _MODULE_-_ID_
# - Give credit to co-authors:
#     Co-authored-by: _Name_ <_email_>
# - Use imperative, present tense ('attach' not 'attaches', 'attached' etc)
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# - Always include a blank line before trailers
# - More: https://github.com/keymanapp/keyman/wiki/Pull-Request-and-Commit-workflow-notes

… and remove unncessary prefix from two cases

…e-of-u16chr-when-second-parameter-could-be-null

# Keyman Conventional Commit suggestions:
#
# - Link to a Sentry issue with git trailer:
#     Fixes: _MODULE_-_ID_
# - Give credit to co-authors:
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# - More: https://github.com/keymanapp/keyman/wiki/Pull-Request-and-Commit-workflow-notes

…nType() test

…e-of-u16chr-when-second-parameter-could-be-null

# Keyman Conventional Commit suggestions:
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# - Link to a Sentry issue with git trailer:
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#     Co-authored-by: _Name_ <_email_>
# - Use imperative, present tense ('attach' not 'attaches', 'attached' etc)
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…e-of-u16chr-when-second-parameter-could-be-null

…e-of-u16chr-when-second-parameter-could-be-null

# Keyman Conventional Commit suggestions:
#
# - Link to a Sentry issue with git trailer:
#     Fixes: _MODULE_-_ID_
# - Give credit to co-authors:
#     Co-authored-by: _Name_ <_email_>
# - Use imperative, present tense ('attach' not 'attaches', 'attached' etc)
# - Don't include a period at the end of the title
# - Always include a blank line before trailers
# - More: https://github.com/keymanapp/keyman/wiki/Pull-Request-and-Commit-workflow-notes

…e-of-u16chr-when-second-parameter-could-be-null

# Keyman Conventional Commit suggestions:
#
# - Link to a Sentry issue with git trailer:
#     Fixes: _MODULE_-_ID_
# - Give credit to co-authors:
#     Co-authored-by: _Name_ <_email_>
# - Use imperative, present tense ('attach' not 'attaches', 'attached' etc)
# - Don't include a period at the end of the title
# - Always include a blank line before trailers
# - More: https://github.com/keymanapp/keyman/wiki/Pull-Request-and-Commit-workflow-notes

…k_str_compare_to_strtok

…or 'c' with no following space