Previously ' without preceding \ was replaced with `, to make emacs
document content structure `...' to work with reStructuredText.

But there are also single uses of ' in parts of the extracted
docstrings, so better "restrict" the matching content to `[^']+'.

Dropped checking preceding \ before ' -- it is not needed anymore;
there is now one \' in the docstrings, but outside `...'.

Note: In UTF-8 locales ` and ' may be replaced by some (arguably)
better looking unicode counterparts (by emacs).
---

This also "avoids" the bug building emacs/notmuch-parser.rsti in
Debian 10. The doc content with "... SP's ..." no longer matches
the re which caused emacs to barf then in (replace-match) (*)
there. The bug is still a mystery (and may stay so).

(* used (setq debug-on-error t) to dig a bit of the problem)

 emacs/rstdoc.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/emacs/rstdoc.el b/emacs/rstdoc.el
index 2225aefc..94596061 100644
--- a/emacs/rstdoc.el
+++ b/emacs/rstdoc.el
@@ -68,7 +68,7 @@ (defun rstdoc--insert-docstring (symbol docstring)
 
 (defvar rst--escape-alist
   '( ("\\\\='" . "\\\\'")
-     ("\\([^\\]\\)'" . "\\1`")
+     ("`\\([^']+\\)'" . "`\\1`")
      ("^[[:space:]\t]*$" . "|br|")
      ("^[[:space:]\t]" . "|indent| "))
     "list of (regex . replacement) pairs")
-- 
2.25.2

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