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vlib/v/checker/tests/string_escape_u_err_a.vv:2:15: error: `\u` incomplete unicode character value
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1 | fn main() {
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2 | println('\u')
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| ^
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3 | }
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fn main() {
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println('\u')
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}
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@ -0,0 +1,5 @@
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vlib/v/checker/tests/string_escape_u_err_b.vv:2:15: error: `\u` incomplete unicode character value
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1 | fn main() {
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2 | println('\u345')
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| ^
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3 | }
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@ -0,0 +1,3 @@
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fn main() {
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println('\u345')
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}
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@ -1039,11 +1039,19 @@ fn (mut s Scanner) ident_string() string {
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s.error(r'cannot use `\x00` (NULL character) in the string literal')
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}
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}
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// Escape `\x`
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if prevc == slash &&
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c == `x` && s.count_symbol_before(s.pos - 2, slash) % 2 == 0 && !is_raw && !is_cstr &&
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(s.text[s.pos + 1] == s.quote || !s.text[s.pos + 1].is_hex_digit()) {
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s.error(r'`\x` used with no following hex digits')
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// Escape `\x` `\u`
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if prevc == slash && !is_raw && !is_cstr && s.count_symbol_before(s.pos - 2, slash) % 2 == 0 {
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// Escape `\x`
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if c == `x` && (s.text[s.pos + 1] == s.quote || !s.text[s.pos + 1].is_hex_digit()) {
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s.error(r'`\x` used with no following hex digits')
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}
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// Escape `\u`
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if c == `u` && (s.text[s.pos + 1] == s.quote ||
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s.text[s.pos + 2] == s.quote || s.text[s.pos + 3] == s.quote || s.text[s.pos + 4] == s.quote ||
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!s.text[s.pos + 1].is_hex_digit() || !s.text[s.pos + 2].is_hex_digit() || !s.text[s.pos + 3].is_hex_digit() ||
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!s.text[s.pos + 4].is_hex_digit()) {
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s.error(r'`\u` incomplete unicode character value')
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}
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}
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// ${var} (ignore in vfmt mode) (skip \$)
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if prevc == `$` && c == `{` && !is_raw && s.count_symbol_before(s.pos - 2, slash) % 2 == 0 {
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