From 4ce15b9ce1f267ff883e169c9070a814d3759b7e Mon Sep 17 00:00:00 2001 From: Mark Friedman Date: Tue, 18 Feb 1992 16:00:30 +0000 Subject: [PATCH] Added the ability to reset SCHEME-ENVIRONMENT (and its default value) to 'DEFAULT via SET-ENVIRONMENT and SET-DEFAULT-ENVIRONMENT. --- v7/src/edwin/evlcom.scm | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/v7/src/edwin/evlcom.scm b/v7/src/edwin/evlcom.scm index b7c2cc56c..50694537c 100644 --- a/v7/src/edwin/evlcom.scm +++ b/v7/src/edwin/evlcom.scm @@ -1,6 +1,6 @@ ;;; -*-Scheme-*- ;;; -;;; $Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/edwin/evlcom.scm,v 1.34 1992/02/04 04:02:56 cph Exp $ +;;; $Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/edwin/evlcom.scm,v 1.35 1992/02/18 16:00:30 markf Exp $ ;;; ;;; Copyright (c) 1986, 1989-92 Massachusetts Institute of Technology ;;; @@ -166,7 +166,9 @@ With an argument, prompts for the evaluation environment." "Make ENVIRONMENT the current evaluation environment." "XSet environment" (lambda (environment) - (set-variable! scheme-environment (->environment environment)))) + (set-variable! scheme-environment + (or (and (eq? environment 'DEFAULT) 'DEFAULT) + (->environment environment))))) (define-command set-syntax-table "Make SYNTAX-TABLE the current syntax table." @@ -179,7 +181,8 @@ With an argument, prompts for the evaluation environment." "XSet default environment" (lambda (environment) (set-variable-default-value! (ref-variable-object scheme-environment) - (->environment environment)))) + (or (and (eq? environment 'DEFAULT) 'DEFAULT) + (->environment environment))))) (define-command set-default-syntax-table "Make SYNTAX-TABLE the default syntax table." -- 2.25.1