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-rw-r--r--runtime/indent/wat.vim17
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+" Vim indent file
+" Language: WebAssembly
+" Maintainer: rhysd <lin90162@yahoo.co.jp>
+" Last Change: Nov 14, 2023
+" For bugs, patches and license go to https://github.com/rhysd/vim-wasm
+
+if exists("b:did_indent")
+ finish
+endif
+let b:did_indent = 1
+
+" WebAssembly text format is S-expression. We can reuse LISP indentation
+" logic.
+setlocal indentexpr=lispindent('.')
+setlocal noautoindent nosmartindent
+
+let b:undo_indent = "setl lisp< indentexpr<"