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man: fix rendering of form-feed in mu-view.1 

ox-man exports the string:

  \\f (=form-feed=)

as:

  $\(\fIform\-feed\fP)

Troff then complains:

  troff:tmp/usr/share/man/man1/mu-view.1:28: warning: special character '\f' not defined

and renders it as:

  $Iform-feed)

Insert a zero-width space character (U+200B) between the \\ and the f.
This causes the string to be exported as:

   \\​f (\fIform\-feed\fP)

which troff renders correctly.

Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
This commit is contained in:
Jeremy Sowden 2023-08-19 11:40:16 +01:00
parent 0763d5d92b
commit f56530d96a
1 changed files with 1 additions and 1 deletions
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@ -35,7 +35,7 @@ instead of displaying the full message, output a summary based upon the first
=<number>= lines of the message.
** --terminate
terminate messages with \\f (=form-feed=) characters when displaying them. This is
terminate messages with \\​f (=form-feed=) characters when displaying them. This is
useful when you want to further process them.
** --decrypt