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Handle backslash in escape function.

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Fixes: #4595.

Candidate for stable
This commit is contained in:
Juergen Spitzmueller 2017-01-27 09:15:47 +01:00
parent 15f64f8413
commit ef387c81af
1 changed files with 2 additions and 1 deletions
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3
src/support/lstrings.cpp
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@ -1180,7 +1180,8 @@ docstring const escape(docstring const & lab)
for (size_t i = 0; i < lab.length(); ++i) {
char_type c = lab[i];
if (c >= 128 || c == '=' || c == '%' || c == '#' || c == '$'
|| c == '}' || c == '{' || c == ']' || c == '[' || c == '&') {
|| c == '}' || c == '{' || c == ']' || c == '[' || c == '&'
|| c == '\\') {
// Although char_type is a 32 bit type we know that
// UCS4 occupies only 21 bits, so we don't need to
// encode bigger values. Test for 2^24 because we