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change swapped_case implementation

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This commit is contained in:
Maxime Coste 2013-04-17 19:31:31 +02:00
parent b229584e95
commit f4e7da8826
1 changed files with 2 additions and 5 deletions
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7
src/normal.cc
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@ -174,11 +174,8 @@ void replace_with_char(Context& context)
Codepoint swapped_case(Codepoint cp) Codepoint swapped_case(Codepoint cp)
{ {
if ('A' <= cp and cp <= 'Z') Codepoint res = std::tolower(cp);
return cp - 'A' + 'a'; return res == cp ? std::toupper(cp) : res;
if ('a' <= cp and cp <= 'z')
return cp - 'a' + 'A';
return cp;
} }
void swap_case(Context& context) void swap_case(Context& context)