Fix xstr with plain gvar unparsing
#409
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Follow-up to mbj#387 ```shell bundle exec bin/unparser -e '`#$G`' (string) Original-Source: `#$G` Generated-Source: lib/unparser/emitter/xstr.rb:56:in 'Unparser::Emitter::XStr#escape_xstr' lib/unparser/emitter/xstr.rb:52:in 'Unparser::Emitter::XStr#emit_string' lib/unparser/emitter/xstr.rb:45:in 'block in Unparser::Emitter::XStr#emit_xstr' lib/unparser/emitter/xstr.rb:41:in 'Array#each' lib/unparser/emitter/xstr.rb:41:in 'Unparser::Emitter::XStr#emit_xstr' lib/unparser/emitter/xstr.rb:16:in 'Unparser::Emitter::XStr#dispatch' lib/unparser/generation.rb:13:in 'block in Unparser::Generation#write_to_buffer' lib/unparser/generation.rb:44:in 'Unparser::Generation#with_comments' lib/unparser/generation.rb:13:in 'Unparser::Generation#write_to_buffer' <internal:kernel>:91:in 'Kernel#tap' lib/unparser/generation.rb:236:in 'Unparser::Generation#visit_deep' lib/unparser/generation.rb:132:in 'block in Unparser::Generation#emit_body' lib/unparser/generation.rb:138:in 'Unparser::Generation#with_indent' lib/unparser/generation.rb:122:in 'Unparser::Generation#emit_body' lib/unparser/emitter/root.rb:11:in 'Unparser::Emitter::Root#dispatch' lib/unparser/generation.rb:13:in 'block in Unparser::Generation#write_to_buffer' lib/unparser/generation.rb:44:in 'Unparser::Generation#with_comments' lib/unparser/generation.rb:13:in 'Unparser::Generation#write_to_buffer' lib/unparser.rb:148:in 'block in Unparser.unparse_ast' <internal:kernel>:91:in 'Kernel#tap' Original-Node: (xstr (gvar :$G)) Generated-Node: undefined Error: (string) ```
mbj
approved these changes
May 29, 2025
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Follow-up to #387