Almost all other "literal" uses of the caret were already migrated to `\(ha` instead.
groff_man_style(7):
... Some escape sequences are however required for correct
typesetting even in man pages and usually do not cause portability
problems.
Several of these render glyphs corresponding to punctuation code
points in the Unicode basic Latin range (U+0000–U+007F) that are
handled specially in roff input; the escape sequences below must be
used to render them correctly and portably when documenting
material that uses them as literals—namely, any of the set ' - \ ^
` ~ (apostrophe, dash or hyphen‐minus, backslash, caret, grave
accent, tilde).
\(ha Basic Latin circumflex accent (“hat”). Some output devices
format “^” as U+02C6 (modifier letter circumflex accent).
---
doc/bash.1 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/doc/bash.1 b/doc/bash.1
index f18816fc..f21aeb52 100644
--- a/doc/bash.1
+++ b/doc/bash.1
@@ -6839,7 +6839,7 @@ .SS Commands for Manipulating the History
.B HISTORY EXPANSION
below for a description of history expansion.
.TP
-.B history\-expand\-line (M\-^)
+.B history\-expand\-line (M\-\(ha)
Perform history expansion on the current line.
See
.SM
--
2.30.2
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