purescript-indentation.el: improve visibility into local variables

Hi-Angel · Hi-Angel · commit c3d297cf66ff · 2024-09-12T18:29:48.000+03:00
Turning on lexical-binding fixes a bunch of warnings like:

    purescript-indentation.el:399:47: Warning: ‘pi’ is an obsolete variable (as of 23.3); use ‘float-pi’ instead.

these warnings are caused by Emacs not being able to determine that
`pi` is actually a local variable. By making use of lexical binding we
make Emacs to be able to see through that.
diff --git a/purescript-indentation.el b/purescript-indentation.el
@@ -1,4 +1,4 @@
-;;; purescript-indentation.el -- indentation module for PureScript Mode
+;;; purescript-indentation.el -- indentation module for PureScript Mode -*- lexical-binding: t -*-
 
 ;; Copyright (C) 2009  Kristof Bastiaensen
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-;;; purescript-indentation.el -- indentation module for PureScript Mode`
	`1`	`+;;; purescript-indentation.el -- indentation module for PureScript Mode -- lexical-binding: t --`
`2`	`2`
`3`	`3`	`;; Copyright (C) 2009 Kristof Bastiaensen`
`4`	`4`