restrict first char of identifiers

miller-time · Feb 18, 2025 · c4009c7 · c4009c7
1 parent 461c3c3
commit c4009c7
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/filter/grammar.pest b/src/filter/grammar.pest
@@ -5,7 +5,7 @@ quote       = _{ "\"" | "'" }
 quoted_name =  { quoted_char+ }
 quoted_char = _{ !(quote) ~ ANY }
 prop        = _{ "." ~ name }
-name        =  { id_char+ }
+name        =  { ASCII_ALPHA ~ id_char+ }
 id_char     = _{ ASCII_ALPHANUMERIC | "_" }
 labels      = _{ "{" ~ label_expr ~ ("," ~ label_expr)* ~ "}" }
 label_expr  = _{ "\"" ~ label ~ "\"" }