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authorPeter Stephenson <pws@users.sourceforge.net>2008-01-25 16:48:22 +0000
committerPeter Stephenson <pws@users.sourceforge.net>2008-01-25 16:48:22 +0000
commitb5570971efc9cd3f41f2f89bdd287a72866edaf7 (patch)
tree573478a9cbd3205abf4cf152735f25aa0a541c44 /Doc/Zsh
parentcf416b753e9a123519b63f3e9ce6478a1996bb60 (diff)
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24460: make zpty -rt more consistent by polling before every byte
Diffstat (limited to 'Doc/Zsh')
-rw-r--r--Doc/Zsh/mod_zpty.yo5
1 files changed, 4 insertions, 1 deletions
diff --git a/Doc/Zsh/mod_zpty.yo b/Doc/Zsh/mod_zpty.yo
index 39347c116..5a5459179 100644
--- a/Doc/Zsh/mod_zpty.yo
+++ b/Doc/Zsh/mod_zpty.yo
@@ -64,7 +64,10 @@ is tt(2) if this is because the command has finished.
 
 If the tt(-r) option is combined with the tt(-t) option, tt(zpty) tests
 whether output is available before trying to read.  If no output is
-available, tt(zpty) immediately returns the status tt(1).
+available, tt(zpty) immediately returns the status tt(1).  When used
+with a var(pattern), the behaviour on a failed poll is similar to
+when the command has exited:  the return value is zero if at least
+one character could still be read even if the pattern failed to match.
 )
 item(tt(zpty) tt(-t) var(name))(
 The tt(-t) option without the tt(-r) option can be used to test