emacs-27 43bf7f1 1/2: Correct the lispref manual about flushing ppss info

[Eli Zaretskii]

branch: emacs-27
commit 43bf7f1b06f5ca21a3af166e803b632934e6674d
Author: Lars Ingebrigtsen <larsi@gnus.org>
Commit: Eli Zaretskii <eliz@gnu.org>

    Correct the lispref manual about flushing ppss info
    
    * doc/lispref/syntax.texi (Syntax Properties): Correct the
    information about flushing the state by copying the text from the
    doc string (bug#46274).
    
    (cherry picked from commit ff701ce2b261acce1dfcd1fe137268d87d5eab35)
---
 doc/lispref/syntax.texi | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/doc/lispref/syntax.texi b/doc/lispref/syntax.texi
index b4bd487..58f07c9 100644
--- a/doc/lispref/syntax.texi
+++ b/doc/lispref/syntax.texi
@@ -573,10 +573,10 @@ and by Font Lock mode during syntactic fontification 
(@pxref{Syntactic
 Font Lock}).  It is called with two arguments, @var{start} and
 @var{end}, which are the starting and ending positions of the text on
 which it should act.  It is allowed to call @code{syntax-ppss} on any
-position before @var{end}.  However, it should not call
-@code{syntax-ppss-flush-cache}; so, it is not allowed to call
-@code{syntax-ppss} on some position and later modify the buffer at an
-earlier position.
+position before @var{end}, but if it calls @code{syntax-ppss} on some
+position and later modifies the buffer on some earlier position,
+then it is its responsibility to call @code{syntax-ppss-flush-cache}
+to flush the now obsolete info from the cache.
 
 @strong{Caution:} When this variable is non-@code{nil}, Emacs removes
 @code{syntax-table} text properties arbitrarily and relies on