From d2cc31ee49d673f343ce5089071ef3628c3cdc97 Mon Sep 17 00:00:00 2001
From: Akshay <nerdy@peppe.rs>
Date: Mon, 17 May 2021 16:55:09 +0530
Subject: add tab to complete env variables

---
 src/lisp/lex.rs | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/lisp/lex.rs')

diff --git a/src/lisp/lex.rs b/src/lisp/lex.rs
index 754a23f..6e59469 100644
--- a/src/lisp/lex.rs
+++ b/src/lisp/lex.rs
@@ -235,6 +235,7 @@ fn parse_string(input: &str) -> Result<(usize, Token<'_>), ParseErrorKind> {
 
 fn is_ident(ch: char) -> bool {
     match ch {
+        // "!$%&*+-./<=>?^_|#"
         '!' | '$' | '%' | '&' | '*' | '+' | '-' | '.' | '/' | '<' | '=' | '>' | '?' | '^' | '_'
         | '|' | '#' => true,
         _ if ch.is_alphanumeric() => true,
-- 
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