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-rw-r--r--bin/1sh/1sh.16
1 files changed, 6 insertions, 0 deletions
diff --git a/bin/1sh/1sh.1 b/bin/1sh/1sh.1
index 5ce17a5f..9bbd881b 100644
--- a/bin/1sh/1sh.1
+++ b/bin/1sh/1sh.1
@@ -1404,6 +1404,12 @@ unless this variable is in the environment.
 A later change of parent process ID is not reflected.
 A subshell retains the same value of
 .Va PPID .
+.It Va PS0
+The pre-prompt string,
+which is printed before each new prompt.
+.Va PS0
+may include any of the formatting sequences from
+.Va PS1 .
 .It Va PS1
 The primary prompt string, which defaults to
 .Dq Li "$ " ,
0400'>2019-05-19Specify precedence of unary versions of operatorsJune McEnroe 2019-05-18Add compound assignment operators to orderJune McEnroe 2019-05-15Support simple assignment in orderJune McEnroe 2019-05-15Implement sizeof in orderJune McEnroe 2019-05-15Add orderJune McEnroe 2019-05-12Add T suffix in bitJune McEnroe 2019-05-10Highlight yacc and lex files as CJune McEnroe 2019-05-10Use val instead of suboptargJune McEnroe 2019-05-09Add Parable of the SowerJune McEnroe 2019-05-07Add bit without buildJune McEnroe 2019-05-04Fix MANDIR typoJune McEnroe 2019-05-04Move relay to binJune McEnroe