Update src/conditional-compilation.md

folkertdev · ehuss · web-flow · commit ec6fcfee7cdf · 2026-02-17T20:06:44.000+01:00
Co-authored-by: Eric Huss &lt;eric@huss.org&gt;
diff --git a/src/conditional-compilation.md b/src/conditional-compilation.md
@@ -476,7 +476,7 @@ r[cfg.cfg_select.syntax]
 CfgSelectArms ->
     CfgSelectConfigurationPredicate `=>`
     (
-        `{` ^ TokenTree `}` CfgSelectArms?
+        `{` ^ TokenTree `}` `,`? CfgSelectArms?
       | ExpressionWithBlockNoAttrs `,`? CfgSelectArms?
       | ExpressionWithoutBlockNoAttrs ( `,` CfgSelectArms? )?
     )

Original file line number	Diff line number	Diff line change
`@@ -476,7 +476,7 @@ r[cfg.cfg_select.syntax]`
`476`	`476`	`CfgSelectArms ->`
`477`	`477`	CfgSelectConfigurationPredicate `=>`
`478`	`478`	`(`
`479`		- `{` ^ TokenTree `}` CfgSelectArms?
	`479`	+ `{` ^ TokenTree `}` `,`? CfgSelectArms?
`480`	`480`	\| ExpressionWithBlockNoAttrs `,`? CfgSelectArms?
`481`	`481`	\| ExpressionWithoutBlockNoAttrs ( `,` CfgSelectArms? )?
`482`	`482`	`)`