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-rw-r--r--src/cmd/rc/syn.y3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cmd/rc/syn.y b/src/cmd/rc/syn.y
index c7de3531..5123ce4a 100644
--- a/src/cmd/rc/syn.y
+++ b/src/cmd/rc/syn.y
@@ -2,6 +2,7 @@
%term WORD REDIR DUP PIPE SUB
%term SIMPLE ARGLIST WORDS BRACE PAREN PCMD PIPEFD /* not used in syntax */
/* operator priorities -- lowest first */
+%left LOW
%left IF WHILE FOR SWITCH ')' NOT
%left ANDAND OROR
%left BANG SUBSHELL
@@ -9,6 +10,7 @@
%left '^'
%right '$' COUNT '"'
%left SUB
+%left '='
%{
#include "rc.h"
#include "fns.h"
@@ -78,6 +80,7 @@ first: comword
word: keyword {lastword=1; $1->type=WORD;}
| comword
| word '^' word {$$=tree2('^', $1, $3);}
+| word '=' word %prec LOW {$$=tree2('^', tree2('^', $1, token("=", WORD)), $3);}
comword: '$' word {$$=tree1('$', $2);}
| '$' word SUB words ')' {$$=tree2(SUB, $2, $4);}
| '"' word {$$=tree1('"', $2);}