Module Name:    src
Committed By:   rillig
Date:           Sun May  8 10:14:41 UTC 2022

Modified Files:
        src/usr.bin/make/unit-tests: varmod-quote-dollar.exp
            varmod-quote-dollar.mk

Log Message:
tests/make: explain that assignments ignore leading spaces


To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/usr.bin/make/unit-tests/varmod-quote-dollar.exp
cvs rdiff -u -r1.3 -r1.4 src/usr.bin/make/unit-tests/varmod-quote-dollar.mk

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/usr.bin/make/unit-tests/varmod-quote-dollar.exp
diff -u src/usr.bin/make/unit-tests/varmod-quote-dollar.exp:1.2 src/usr.bin/make/unit-tests/varmod-quote-dollar.exp:1.3
--- src/usr.bin/make/unit-tests/varmod-quote-dollar.exp:1.2	Sat Jan 22 17:10:51 2022
+++ src/usr.bin/make/unit-tests/varmod-quote-dollar.exp	Sun May  8 10:14:40 2022
@@ -1,2 +1,4 @@
 !"#$$%&'()*+,-./09:;<=>?@AZ[\]^_`az{|}~
+!"#$$%&'()*+,-./09:;<=>?@AZ[\]^_`az{|}~
+ !"#$$%&'()*+,-./09:;<=>?@AZ[\]^_`az{|}~
 exit status 0

Index: src/usr.bin/make/unit-tests/varmod-quote-dollar.mk
diff -u src/usr.bin/make/unit-tests/varmod-quote-dollar.mk:1.3 src/usr.bin/make/unit-tests/varmod-quote-dollar.mk:1.4
--- src/usr.bin/make/unit-tests/varmod-quote-dollar.mk:1.3	Sat Jan 22 17:10:51 2022
+++ src/usr.bin/make/unit-tests/varmod-quote-dollar.mk	Sun May  8 10:14:40 2022
@@ -1,10 +1,17 @@
-# $NetBSD: varmod-quote-dollar.mk,v 1.3 2022/01/22 17:10:51 rillig Exp $
+# $NetBSD: varmod-quote-dollar.mk,v 1.4 2022/05/08 10:14:40 rillig Exp $
 #
 # Tests for the :q variable modifier, which quotes the string for the shell
 # and doubles dollar signs, to prevent them from being interpreted by a
 # child process of make.
 
+# The newline and space characters at the beginning of this string are passed
+# to the child make.  When the child make parses the variable assignment, it
+# discards the leading space characters.
 ASCII_CHARS=	${.newline} !"\#$$%&'()*+,-./09:;<=>?@AZ[\]^_`az{|}~
 
 all:
-	@${MAKE} -r -f /dev/null CHARS=${ASCII_CHARS:q} -V CHARS
+	@${MAKE} -r -f /dev/null \
+	    CHARS=${ASCII_CHARS:q} \
+	    TWICE=${ASCII_CHARS:q}${ASCII_CHARS:q} \
+	    -V CHARS \
+	    -V TWICE

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