Various preparations

[masatake]

No description provided.

[codecov]

Codecov Report

Base: 82.87% // Head: 82.81% // Decreases project coverage by -0.06% ⚠️

Coverage data is based on head (8be2171) compared to base (c89b92d).
Patch coverage: 21.66% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3617      +/-   ##
==========================================
- Coverage   82.87%   82.81%   -0.07%     
==========================================
  Files         223      223              
  Lines       54415    54451      +36     
==========================================
- Hits        45096    45092       -4     
- Misses       9319     9359      +40     

Impacted Files	Coverage Δ
optlib/pod.c	0.00% <ø> (ø)
parsers/cxx/cxx_tag.c	88.53% <0.00%> (-1.62%)	⬇️
parsers/jscript.c	97.31% <0.00%> (ø)
parsers/rst.c	92.98% <0.00%> (ø)
main/lregex.c	82.94% <2.85%> (-1.59%)	⬇️
main/entry.c	88.04% <45.45%> (-0.61%)	⬇️
parsers/asm.c	99.26% <100.00%> (+<0.01%)	⬆️
parsers/cxx/cxx_token_chain.c	82.26% <0.00%> (+0.32%)	⬆️

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