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* Bug: inconsistent escaping of coderef regexp
@ 2021-01-04 20:33 Tom Gillespie
  2021-04-01 15:45 ` Nicolas Goaziou
  0 siblings, 1 reply; 10+ messages in thread
From: Tom Gillespie @ 2021-01-04 20:33 UTC (permalink / raw)
  To: emacs-orgmode

It is not possible to strip coderefs when tangling and also search for
those coderefs using org-link-search. This is because org-link-search
uses org-src-coderef-regexp which calls regexp-quote on the regexp
string while org-babel-tangle-single-block does not and uses the
regexp string directly without quoting it. I'm not sure about the best
way to fix this. It seems to me that the call to regexp-quote should
be removed but I'm not entirely sure of the consequences of doing
that. Thoughts? Best,
Tom

PS While on the topic of coderefs, let me drop a note that is a
preview of some of the issues I have encountered while working on a
full formal grammar for org. Having the -l switch control this is an
awful design that induces more complexity into the org-mode grammar
than nearly any other feature. Source block switches are completely
inconsistent with the rest of org and completely undiscoverable. I had
no idea they even existed until I was trying to figure out which
header argument could be used to set the coderef regexp. The -l option
and switches in general need to have their behavior implemented as
part of the standard header arguments like everything else so that
users can migrate away from switches with an eye toward removing them
entirely.


^ permalink raw reply	[flat|nested] 10+ messages in thread

* Re: Bug: inconsistent escaping of coderef regexp
  2021-01-04 20:33 Bug: inconsistent escaping of coderef regexp Tom Gillespie
@ 2021-04-01 15:45 ` Nicolas Goaziou
  2021-04-01 16:09   ` Timothy
  2021-04-04 22:01   ` Tom Gillespie
  0 siblings, 2 replies; 10+ messages in thread
From: Nicolas Goaziou @ 2021-04-01 15:45 UTC (permalink / raw)
  To: Tom Gillespie; +Cc: emacs-orgmode

Hello,

Tom Gillespie <tgbugs@gmail.com> writes:

> It is not possible to strip coderefs when tangling and also search for
> those coderefs using org-link-search. This is because org-link-search
> uses org-src-coderef-regexp which calls regexp-quote on the regexp
> string while org-babel-tangle-single-block does not and uses the
> regexp string directly without quoting it. I'm not sure about the best
> way to fix this. It seems to me that the call to regexp-quote should
> be removed but I'm not entirely sure of the consequences of doing
> that. Thoughts?

This would be wrong. A format string is not a regexp, and therefore
needs to be quoted. E.g., one might want to use "/* %s */".

`org-babel-tangle-single-block' should make use of
`org-src-coderef-regexp' and, possibly, `org-src-coderef-format'.

> PS While on the topic of coderefs, let me drop a note that is a
> preview of some of the issues I have encountered while working on a
> full formal grammar for org. Having the -l switch control this is an
> awful design that induces more complexity into the org-mode grammar
> than nearly any other feature. Source block switches are completely
> inconsistent with the rest of org and completely undiscoverable. I had
> no idea they even existed until I was trying to figure out which
> header argument could be used to set the coderef regexp. The -l option
> and switches in general need to have their behavior implemented as
> part of the standard header arguments like everything else so that
> users can migrate away from switches with an eye toward removing them
> entirely.

Switches predate Babel and its header arguments. Also, they are
orthogonal to Babel. I don't know what a sound design would be here,
tho.

Regards,
-- 
Nicolas Goaziou


^ permalink raw reply	[flat|nested] 10+ messages in thread

* Re: Bug: inconsistent escaping of coderef regexp
  2021-04-01 15:45 ` Nicolas Goaziou
@ 2021-04-01 16:09   ` Timothy
  2021-04-04 22:01   ` Tom Gillespie
  1 sibling, 0 replies; 10+ messages in thread
From: Timothy @ 2021-04-01 16:09 UTC (permalink / raw)
  To: Nicolas Goaziou; +Cc: Tom Gillespie, emacs-orgmode


Nicolas Goaziou <mail@nicolasgoaziou.fr> writes:

> Switches predate Babel and its header arguments. Also, they are
> orthogonal to Babel. I don't know what a sound design would be here,
> tho.

Breaking backwards comparability is a tough call, but somehow I feel
that it would be appropriate here. A number of reasons why they should
go come to mind:

- Rarely used. Searching github I found 146k results for "#+begin_src"
  but as soon as I added a switch (I tried -n and +n) that dropped to 0
  results
- Easily replaced by a more consistent syntax, which has multiple benefits IMO
  + Simplify parsing a bit
  + Less forms for a new user to learn
  + Better consistency

Perhaps a less sudden approach would to be mark them as depreciated,
implement equivalents with the standard syntax, update manual to use the
new/standard syntax, then remove at some point in the future? In that
case I think it would also be acceptable for new things built for Org
(e.g. a grammar) to ignore them.

Thoughts?

--
Timothy


^ permalink raw reply	[flat|nested] 10+ messages in thread

* Re: Bug: inconsistent escaping of coderef regexp
  2021-04-01 15:45 ` Nicolas Goaziou
  2021-04-01 16:09   ` Timothy
@ 2021-04-04 22:01   ` Tom Gillespie
  2021-04-04 23:12     ` Nicolas Goaziou
  1 sibling, 1 reply; 10+ messages in thread
From: Tom Gillespie @ 2021-04-04 22:01 UTC (permalink / raw)
  To: Nicolas Goaziou, emacs-orgmode

[-- Attachment #1: Type: text/plain, Size: 2746 bytes --]

Hi Nicolas,
    After a bit of investigation I understand the issue better now.
There are two problems here. One is an easy single line change,
the other is a deeper issue, which is that it is impossible for the
user to specify their own coderef regexp that can be used in both
cases. No matter what change we make we are likely to break
existing org files if users relied on one behavior and not the other.

Given this, I would say that it is worse to break tangling behavior
than it is to break coderef search because it is obvious to the user
when coderef search breaks, whereas a change in tanging
behavior is a silent change that users will not be aware of.

If we want a temporary fix, a patch is attached, but I would suggest
against changing the behavior right now and instead work toward
a new, more consistent system using header args.

I think that moving to use header args to control these is an
opportunity to resolve both issues, and to make a start toward
eventually deprecating the switches. The only question that I
have right now regarding that implementation is whether we
provide header args for just the coderef regexp or also for the
coderef format, with the coderef regexp taking precedence. The
deeper issue is that the format string that appears in the org-src
snippit below is hard coded, and if we allow users to set the
coderef format, then it may make sense to let them set that
format string. However, this would duplicate the simpler
functionality of simply allowing the user to provide their own
coderef regexp.

At the moment I have two proposed header args which are
:coderef-regexp with default matching the current output of the
org-src snippit below, and :coderef-tangle which defaults to yes
matching the behavior of the existing =-r= switch. There is an
option for a 3rd header arg that would directly replaced the =-l=
switch :coderef-format, however as mentioned above it adds
significant complexity and requires a fourth argument
:coderef-surround or something like that which is the
hard coded format string in the org-src snippit.

I'm working on a basic implementation and will respond in this
thread again when I have something worth looking at. Best!
Tom

For the record there are at least 3 different inconsistent regex
that are used to detect coderefs.

org-element:
(string-match "-l +\"\\([^\"\n]+\\)\"" switches)
is duplicated between org-element-src-block-parser and
org-element-example-block-parser

org-src:
(format "\\([ \t]*\\(%s\\)[ \t]*\\)$"
      (replace-regexp-in-string
       "%s"
       (if label (regexp-quote label) "\\([-a-zA-Z0-9_][-a-zA-Z0-9_ ]*\\)")
       (regexp-quote fmt)
       nil t))
ob-tangle:
(re-search-forward (replace-regexp-in-string "%s" ".+" cref-fmt) nil t)

[-- Attachment #2: cref-fmt.patch --]
[-- Type: text/x-patch, Size: 545 bytes --]

diff --git a/lisp/ob-tangle.el b/lisp/ob-tangle.el
index aa0373ab8..677d9d8ba 100644
--- a/lisp/ob-tangle.el
+++ b/lisp/ob-tangle.el
@@ -446,7 +446,7 @@ non-nil, return the full association list to be used by
 	      (when (string-match "-r" extra)
 		(goto-char (point-min))
 		(while (re-search-forward
-			(replace-regexp-in-string "%s" ".+" cref-fmt) nil t)
+			(replace-regexp-in-string "%s" ".+" (org-src-coderef-regexp cref-fmt)) nil t)
 		  (replace-match "")))
 	      (run-hooks 'org-babel-tangle-body-hook)
 	      (buffer-string))))

^ permalink raw reply related	[flat|nested] 10+ messages in thread

* Re: Bug: inconsistent escaping of coderef regexp
  2021-04-04 22:01   ` Tom Gillespie
@ 2021-04-04 23:12     ` Nicolas Goaziou
  2021-04-05  5:22       ` Tom Gillespie
  0 siblings, 1 reply; 10+ messages in thread
From: Nicolas Goaziou @ 2021-04-04 23:12 UTC (permalink / raw)
  To: Tom Gillespie; +Cc: emacs-orgmode

Hello,

Tom Gillespie <tgbugs@gmail.com> writes:

>     After a bit of investigation I understand the issue better now.
> There are two problems here. One is an easy single line change,
> the other is a deeper issue, which is that it is impossible for the
> user to specify their own coderef regexp that can be used in both
> cases. No matter what change we make we are likely to break
> existing org files if users relied on one behavior and not the other.

[...]

> If we want a temporary fix, a patch is attached, but I would suggest
> against changing the behavior right now and instead work toward
> a new, more consistent system using header args.

If possible, I'd like not to conflate current issue with switches
deprecation, which needs to be discussed separately.

What do you mean by "it is impossible for the user to specify their own
coderef regexp that can be used in both cases"? In particular, what is
a coderef regexp in this context? I know about coderef format, but
I don't think users are supposed to provide a regexp here.

Regards,
-- 
Nicolas Goaziou


^ permalink raw reply	[flat|nested] 10+ messages in thread

* Re: Bug: inconsistent escaping of coderef regexp
  2021-04-04 23:12     ` Nicolas Goaziou
@ 2021-04-05  5:22       ` Tom Gillespie
  2021-04-05  7:42         ` Tom Gillespie
  2021-04-07 17:58         ` Nicolas Goaziou
  0 siblings, 2 replies; 10+ messages in thread
From: Tom Gillespie @ 2021-04-05  5:22 UTC (permalink / raw)
  To: emacs-orgmode

[-- Attachment #1: Type: text/plain, Size: 1259 bytes --]

Hi Nicolas,
   I've attached a patch with a first pass implementation that I think
resolves most of the issues. It probably needs a few tests to go along
with it, but I think it is the simplest way forward. I tried to make the
changes without disrupting the org-babel info structure, but it comes
with the cost of having to pull out :coderef-prefix in a number of separate
contexts. Best,
Tom

> If possible, I'd like not to conflate current issue with switches
> deprecation, which needs to be discussed separately.

We can decouple them, so not an issue. The attached patch implements
the header arg equivalents of -r and -l without making any changes to the
existing switch behavior.

> What do you mean by "it is impossible for the user to specify their own
> coderef regexp that can be used in both cases"? In particular, what is
> a coderef regexp in this context? I know about coderef format, but
> I don't think users are supposed to provide a regexp here.

I did a first pass implementation and realized that allowing users to
specify coderef-regexp is a bad idea. The attached patch fixes the
divergent behavior of org-bable-tangle-single-block and provides a
standard way to specify a :coderef-prefix regexp so that empty
comments can be stripped.

[-- Attachment #2: 0001-improve-org-src-coderef-regexp-and-regularize-usage.patch --]
[-- Type: text/x-patch, Size: 13860 bytes --]

From e017fe3f4fb36da2c8560a9999e526b8bdfd42dc Mon Sep 17 00:00:00 2001
From: Tom Gillespie <tgbugs@gmail.com>
Date: Sun, 4 Apr 2021 21:40:32 -0700
Subject: [PATCH] improve org-src-coderef-regexp and regularize usage

* lisp/ob-core.el
org-babel-common-header-args-w-values: new :coderef- header args
org-babel-safe-header-args: include the new :coderef- header args
(org-babel-get-src-block-info): calulate params before info in let* so
that they can be used to set the coderef-format field (nth 6 info)
(org-babel--expand-body): use coderef-prefix to correctly strip
coderefs when expanding

* lisp/ob-tangle.el (orb-babel-tangle-single-block): Regularize
behavior when removing coderefs during tangling. This fixes an issue
where trailing whitespace would be retained when coderefs were removed
for tangling. Make the header argument :coderef-tangle no work the
same way that the -r switch currently works

* lisp/ol.el (org-link-search): use org babel info to match the
coderef format for each block

* lisp/org-src.el (org-src-coderef-regexp): now takes an additional
argument rx-prefix that can be used to customize the text preceeding
the coderef that should be removed during tangling, this is most
useful for removing comments and trailing whitespace.

* lisp/ox.el (org-export-resolve-coderef)
and (org-export-unravel-code): use org babel info to
correctly match the coderef format for each block.

This commit adds support for three new src block header arguments,
:coderef-format :coderef-prefix and :coderef-tangle. :coderef-format
has the same behavior has the org src switch -l and :coderef-tangle
has the same behavior as org src switch -r. :coderef-prefix provides
new functionality and makes it possible to set the regexp for text
leading up to the coderef. In particular this can be used to strip
comments, which are required if authoring an org file that works with
older versions of org.
---
 lisp/ob-core.el   | 43 +++++++++++++++++++++++++------------------
 lisp/ob-tangle.el | 18 +++++++++++-------
 lisp/ol.el        | 17 +++++++++++------
 lisp/org-src.el   |  5 +++--
 lisp/ox.el        | 15 +++++++++++----
 5 files changed, 61 insertions(+), 37 deletions(-)

diff --git a/lisp/ob-core.el b/lisp/ob-core.el
index 2e78ac3e6..feb6f2235 100644
--- a/lisp/ob-core.el
+++ b/lisp/ob-core.el
@@ -76,7 +76,7 @@
 (declare-function org-previous-block "org" (arg &optional block-regexp))
 (declare-function org-show-context "org" (&optional key))
 (declare-function org-src-coderef-format "org-src" (&optional element))
-(declare-function org-src-coderef-regexp "org-src" (fmt &optional label))
+(declare-function org-src-coderef-regexp "org-src" (fmt &optional label rx-prefix))
 (declare-function org-src-get-lang-mode "org-src" (lang))
 (declare-function org-table-align "org-table" ())
 (declare-function org-table-convert-region "org-table" (beg0 end0 &optional separator))
@@ -392,6 +392,9 @@ then run `org-babel-switch-to-session'."
 (defconst org-babel-common-header-args-w-values
   '((cache	. ((no yes)))
     (cmdline	. :any)
+    (coderef-format . :any)
+    (coderef-prefix . :any)
+    (coderef-tangle . ((nil yes no)))
     (colnames	. ((nil no yes)))
     (comments	. ((no link yes org both noweb)))
     (dir	. :any)
@@ -434,7 +437,8 @@ Note that individual languages may define their own language
 specific header arguments as well.")
 
 (defconst org-babel-safe-header-args
-  '(:cache :colnames :comments :exports :epilogue :hlines :noeval
+  '(:cache :coderef-format :coderef-prefix :coderef-tangle
+           :colnames :comments :exports :epilogue :hlines :noeval
 	   :noweb :noweb-ref :noweb-sep :padline :prologue :rownames
 	   :sep :session :tangle :wrap
 	   (:eval . ("never" "query"))
@@ -607,29 +611,31 @@ a list with the following pattern:
 	     (lang-headers (intern
 			    (concat "org-babel-default-header-args:" lang)))
 	     (name (org-element-property :name datum))
+             (params (apply #'org-babel-merge-params
+                            (if inline org-babel-default-inline-header-args
+                              org-babel-default-header-args)
+                            (and (boundp lang-headers) (eval lang-headers t))
+                            (append
+                             ;; If DATUM is provided, make sure we get node
+                             ;; properties applicable to its location within
+                             ;; the document.
+                             (org-with-point-at (org-element-property :begin datum)
+                               (org-babel-params-from-properties lang light))
+                             (mapcar (lambda (h)
+                                       (org-babel-parse-header-arguments h light))
+                                     (cons (org-element-property :parameters datum)
+				           (org-element-property :header datum))))))
 	     (info
 	      (list
 	       lang
 	       (org-babel--normalize-body datum)
-	       (apply #'org-babel-merge-params
-		      (if inline org-babel-default-inline-header-args
-			org-babel-default-header-args)
-		      (and (boundp lang-headers) (eval lang-headers t))
-		      (append
-		       ;; If DATUM is provided, make sure we get node
-		       ;; properties applicable to its location within
-		       ;; the document.
-		       (org-with-point-at (org-element-property :begin datum)
-			 (org-babel-params-from-properties lang light))
-		       (mapcar (lambda (h)
-				 (org-babel-parse-header-arguments h light))
-			       (cons (org-element-property :parameters datum)
-				     (org-element-property :header datum)))))
+               params
 	       (or (org-element-property :switches datum) "")
 	       name
 	       (org-element-property (if inline :begin :post-affiliated)
 				     datum)
-	       (and (not inline) (org-src-coderef-format datum)))))
+	       (and (not inline) (or (cdr (assq :coderef-format params))
+                                     (org-src-coderef-format datum))))))
 	(unless light
 	  (setf (nth 2 info) (org-babel-process-params (nth 2 info))))
 	(setf (nth 2 info) (org-babel-generate-file-param name (nth 2 info)))
@@ -638,13 +644,14 @@ a list with the following pattern:
 (defun org-babel--expand-body (info)
   "Expand noweb references in body and remove any coderefs."
   (let ((coderef (nth 6 info))
+        (coderef-prefix (cdr (assq :coderef-prefix (nth 2 info))))
 	(expand
 	 (if (org-babel-noweb-p (nth 2 info) :eval)
 	     (org-babel-expand-noweb-references info)
 	   (nth 1 info))))
     (if (not coderef) expand
       (replace-regexp-in-string
-       (org-src-coderef-regexp coderef) "" expand nil nil 1))))
+       (org-src-coderef-regexp coderef nil coderef-prefix) "" expand nil nil 1))))
 
 (defun org-babel--file-desc (params result)
   "Retrieve file description."
diff --git a/lisp/ob-tangle.el b/lisp/ob-tangle.el
index aa0373ab8..755a404b8 100644
--- a/lisp/ob-tangle.el
+++ b/lisp/ob-tangle.el
@@ -414,10 +414,14 @@ non-nil, return the full association list to be used by
 	 (src-lang (nth 0 info))
 	 (params (nth 2 info))
 	 (extra (nth 3 info))
-	 (cref-fmt (or (and (string-match "-l \"\\(.+\\)\"" extra)
-			    (match-string 1 extra))
-		       org-coderef-label-format))
-	 (link (let ((l (org-no-properties (org-store-link nil))))
+	 (coderef (nth 6 info))
+         (asdf (message "%S" info))
+         (cref-regexp (org-src-coderef-regexp
+                       (or coderef
+                           org-coderef-label-format)
+                       nil
+                       (cdr (assq :coderef-prefix params))))
+         (link (let ((l (org-no-properties (org-store-link nil))))
                  (and (string-match org-link-bracket-re l)
                       (match-string 1 l))))
 	 (source-name
@@ -443,10 +447,10 @@ non-nil, return the full association list to be used by
 		      (org-babel-expand-body:generic
 		       body params (and (fboundp assignments-cmd)
 					(funcall assignments-cmd params))))))
-	      (when (string-match "-r" extra)
+	      (when (or (string= (cdr (assq :coderef-tangle params)) "no")
+                        (string-match "-r" extra))
 		(goto-char (point-min))
-		(while (re-search-forward
-			(replace-regexp-in-string "%s" ".+" cref-fmt) nil t)
+		(while (re-search-forward cref-regexp nil t)
 		  (replace-match "")))
 	      (run-hooks 'org-babel-tangle-body-hook)
 	      (buffer-string))))
diff --git a/lisp/ol.el b/lisp/ol.el
index b8bd7d234..e2e37ba6d 100644
--- a/lisp/ol.el
+++ b/lisp/ol.el
@@ -44,6 +44,7 @@
 (declare-function calendar-cursor-to-date "calendar" (&optional error event))
 (declare-function dired-get-filename "dired" (&optional localp no-error-if-not-filep))
 (declare-function org-at-heading-p "org" (&optional _))
+(declare-function org-babel-get-src-block-info "ob-core" (&optional light datum))
 (declare-function org-back-to-heading "org" (&optional invisible-ok))
 (declare-function org-before-first-heading-p "org" ())
 (declare-function org-do-occur "org" (regexp &optional cleanup))
@@ -71,7 +72,7 @@
 (declare-function org-run-like-in-org-mode "org" (cmd))
 (declare-function org-show-context "org" (&optional key))
 (declare-function org-src-coderef-format "org-src" (&optional element))
-(declare-function org-src-coderef-regexp "org-src" (fmt &optional label))
+(declare-function org-src-coderef-regexp "org-src" (fmt &optional label rx-prefix))
 (declare-function org-src-edit-buffer-p "org-src" (&optional buffer))
 (declare-function org-src-source-buffer "org-src" ())
 (declare-function org-src-source-type "org-src" ())
@@ -1145,10 +1146,12 @@ of matched result, which is either `dedicated' or `fuzzy'."
 	    (let ((element (org-element-at-point)))
 	      (when (and (memq (org-element-type element)
 			       '(example-block src-block))
-			 (org-match-line
-			  (concat ".*?" (org-src-coderef-regexp
-					 (org-src-coderef-format element)
-					 coderef))))
+                         (let ((info (org-babel-get-src-block-info nil element)))
+			   (org-match-line
+			    (concat ".*?" (org-src-coderef-regexp
+                                           (nth 6 info)
+					   coderef
+                                           (cdr (assq :coderef-prefix (nth 2 info))))))))
 		(setq type 'dedicated)
 		(goto-char (match-beginning 2))
 		(throw :coderef-match nil))))
@@ -1523,7 +1526,9 @@ non-nil."
 	   ;; A code reference exists.  Use it.
 	   ((save-excursion
 	      (beginning-of-line)
-	      (re-search-forward (org-src-coderef-regexp coderef-format)
+	      (re-search-forward (org-src-coderef-regexp coderef-format
+                                                         nil
+                                                         rx-prefix)
 				 (line-end-position)
 				 t))
 	    (setq link (funcall format-link (match-string-no-properties 3))))
diff --git a/lisp/org-src.el b/lisp/org-src.el
index 20acee4e6..b0119ddbc 100644
--- a/lisp/org-src.el
+++ b/lisp/org-src.el
@@ -868,7 +868,7 @@ to the remote source block."
    ((org-element-property :label-fmt (org-element-at-point)))
    (t org-coderef-label-format)))
 
-(defun org-src-coderef-regexp (fmt &optional label)
+(defun org-src-coderef-regexp (fmt &optional label rx-prefix)
   "Return regexp matching a coderef format string FMT.
 
 When optional argument LABEL is non-nil, match coderef for that
@@ -879,7 +879,8 @@ white spaces.  Match group 2 contains the same string without any
 surrounding space.  Match group 3 contains the label.
 
 A coderef format regexp can only match at the end of a line."
-  (format "\\([ \t]*\\(%s\\)[ \t]*\\)$"
+  (format "\\(%s\\(%s\\)[ \t]*\\)$"
+          (or rx-prefix "[ \t]*")
 	  (replace-regexp-in-string
 	   "%s"
 	   (if label (regexp-quote label) "\\([-a-zA-Z0-9_][-a-zA-Z0-9_ ]*\\)")
diff --git a/lisp/ox.el b/lisp/ox.el
index f705bc83a..d8f31990a 100644
--- a/lisp/ox.el
+++ b/lisp/ox.el
@@ -78,8 +78,9 @@
 (require 'org-macro)
 (require 'tabulated-list)
 
+(declare-function org-babel-get-src-block-info "ob-core" (&optional light datum))
 (declare-function org-src-coderef-format "org-src" (&optional element))
-(declare-function org-src-coderef-regexp "org-src" (fmt &optional label))
+(declare-function org-src-coderef-regexp "org-src" (fmt &optional label rx-prefix))
 (declare-function org-publish "ox-publish" (project &optional force async))
 (declare-function org-publish-all "ox-publish" (&optional force async))
 (declare-function org-publish-current-file "ox-publish" (&optional force async))
@@ -4213,9 +4214,12 @@ error if no block contains REF."
 	(lambda (el)
 	  (with-temp-buffer
 	    (insert (org-trim (org-element-property :value el)))
-	    (let* ((label-fmt (or (org-element-property :label-fmt el)
+	    (let* ((ob-info (org-babel-get-src-block-info nil el))
+                   (label-fmt (or (nth 6 ob-info)
 				  org-coderef-label-format))
-		   (ref-re (org-src-coderef-regexp label-fmt ref)))
+		   (ref-re (org-src-coderef-regexp label-fmt
+                                                   ref
+                                                   (cdr (assq :coderef-prefix (nth 2 ob-info))))))
 	      ;; Element containing REF is found.  Resolve it to
 	      ;; either a label or a line number, as needed.
 	      (when (re-search-backward ref-re nil t)
@@ -4627,7 +4631,10 @@ reference on that line (string)."
 		    value
 		  (org-remove-indentation value))))
 	 ;; Build a regexp matching a loc with a reference.
-	 (ref-re (org-src-coderef-regexp (org-src-coderef-format element))))
+         (ob-info (org-babel-get-src-block-info nil element))
+	 (ref-re (org-src-coderef-regexp (nth 6 ob-info)
+                                         nil
+                                         (cdr (assq :coderef-prefix (nth 2 ob-info))))))
     ;; Return value.
     (cons
      ;; Code with references removed.
-- 
2.26.3


^ permalink raw reply related	[flat|nested] 10+ messages in thread

* Re: Bug: inconsistent escaping of coderef regexp
  2021-04-05  5:22       ` Tom Gillespie
@ 2021-04-05  7:42         ` Tom Gillespie
  2021-04-07 17:58         ` Nicolas Goaziou
  1 sibling, 0 replies; 10+ messages in thread
From: Tom Gillespie @ 2021-04-05  7:42 UTC (permalink / raw)
  To: emacs-orgmode

[-- Attachment #1: Type: text/plain, Size: 1452 bytes --]

Missed removing a debug message. Here is the correct patch. Best,
Tom

On Sun, Apr 4, 2021 at 10:22 PM Tom Gillespie <tgbugs@gmail.com> wrote:
>
> Hi Nicolas,
>    I've attached a patch with a first pass implementation that I think
> resolves most of the issues. It probably needs a few tests to go along
> with it, but I think it is the simplest way forward. I tried to make the
> changes without disrupting the org-babel info structure, but it comes
> with the cost of having to pull out :coderef-prefix in a number of separate
> contexts. Best,
> Tom
>
> > If possible, I'd like not to conflate current issue with switches
> > deprecation, which needs to be discussed separately.
>
> We can decouple them, so not an issue. The attached patch implements
> the header arg equivalents of -r and -l without making any changes to the
> existing switch behavior.
>
> > What do you mean by "it is impossible for the user to specify their own
> > coderef regexp that can be used in both cases"? In particular, what is
> > a coderef regexp in this context? I know about coderef format, but
> > I don't think users are supposed to provide a regexp here.
>
> I did a first pass implementation and realized that allowing users to
> specify coderef-regexp is a bad idea. The attached patch fixes the
> divergent behavior of org-bable-tangle-single-block and provides a
> standard way to specify a :coderef-prefix regexp so that empty
> comments can be stripped.

[-- Attachment #2: 0001-improve-org-src-coderef-regexp-and-regularize-usage.patch --]
[-- Type: text/x-patch, Size: 13822 bytes --]

From 91aa10a5a14737b770e58b1a7f9f0e0b563dae62 Mon Sep 17 00:00:00 2001
From: Tom Gillespie <tgbugs@gmail.com>
Date: Sun, 4 Apr 2021 21:40:32 -0700
Subject: [PATCH] improve org-src-coderef-regexp and regularize usage

* lisp/ob-core.el
org-babel-common-header-args-w-values: new :coderef- header args
org-babel-safe-header-args: include the new :coderef- header args
(org-babel-get-src-block-info): calulate params before info in let* so
that they can be used to set the coderef-format field (nth 6 info)
(org-babel--expand-body): use coderef-prefix to correctly strip
coderefs when expanding

* lisp/ob-tangle.el (orb-babel-tangle-single-block): Regularize
behavior when removing coderefs during tangling. This fixes an issue
where trailing whitespace would be retained when coderefs were removed
for tangling. Make the header argument :coderef-tangle no work the
same way that the -r switch currently works

* lisp/ol.el (org-link-search): use org babel info to match the
coderef format for each block

* lisp/org-src.el (org-src-coderef-regexp): now takes an additional
argument rx-prefix that can be used to customize the text preceeding
the coderef that should be removed during tangling, this is most
useful for removing comments and trailing whitespace.

* lisp/ox.el (org-export-resolve-coderef)
and (org-export-unravel-code): use org babel info to
correctly match the coderef format for each block.

This commit adds support for three new src block header arguments,
:coderef-format :coderef-prefix and :coderef-tangle. :coderef-format
has the same behavior has the org src switch -l and :coderef-tangle
has the same behavior as org src switch -r. :coderef-prefix provides
new functionality and makes it possible to set the regexp for text
leading up to the coderef. In particular this can be used to strip
comments, which are required if authoring an org file that works with
older versions of org.
---
 lisp/ob-core.el   | 43 +++++++++++++++++++++++++------------------
 lisp/ob-tangle.el | 17 ++++++++++-------
 lisp/ol.el        | 17 +++++++++++------
 lisp/org-src.el   |  5 +++--
 lisp/ox.el        | 15 +++++++++++----
 5 files changed, 60 insertions(+), 37 deletions(-)

diff --git a/lisp/ob-core.el b/lisp/ob-core.el
index 2e78ac3e6..feb6f2235 100644
--- a/lisp/ob-core.el
+++ b/lisp/ob-core.el
@@ -76,7 +76,7 @@
 (declare-function org-previous-block "org" (arg &optional block-regexp))
 (declare-function org-show-context "org" (&optional key))
 (declare-function org-src-coderef-format "org-src" (&optional element))
-(declare-function org-src-coderef-regexp "org-src" (fmt &optional label))
+(declare-function org-src-coderef-regexp "org-src" (fmt &optional label rx-prefix))
 (declare-function org-src-get-lang-mode "org-src" (lang))
 (declare-function org-table-align "org-table" ())
 (declare-function org-table-convert-region "org-table" (beg0 end0 &optional separator))
@@ -392,6 +392,9 @@ then run `org-babel-switch-to-session'."
 (defconst org-babel-common-header-args-w-values
   '((cache	. ((no yes)))
     (cmdline	. :any)
+    (coderef-format . :any)
+    (coderef-prefix . :any)
+    (coderef-tangle . ((nil yes no)))
     (colnames	. ((nil no yes)))
     (comments	. ((no link yes org both noweb)))
     (dir	. :any)
@@ -434,7 +437,8 @@ Note that individual languages may define their own language
 specific header arguments as well.")
 
 (defconst org-babel-safe-header-args
-  '(:cache :colnames :comments :exports :epilogue :hlines :noeval
+  '(:cache :coderef-format :coderef-prefix :coderef-tangle
+           :colnames :comments :exports :epilogue :hlines :noeval
 	   :noweb :noweb-ref :noweb-sep :padline :prologue :rownames
 	   :sep :session :tangle :wrap
 	   (:eval . ("never" "query"))
@@ -607,29 +611,31 @@ a list with the following pattern:
 	     (lang-headers (intern
 			    (concat "org-babel-default-header-args:" lang)))
 	     (name (org-element-property :name datum))
+             (params (apply #'org-babel-merge-params
+                            (if inline org-babel-default-inline-header-args
+                              org-babel-default-header-args)
+                            (and (boundp lang-headers) (eval lang-headers t))
+                            (append
+                             ;; If DATUM is provided, make sure we get node
+                             ;; properties applicable to its location within
+                             ;; the document.
+                             (org-with-point-at (org-element-property :begin datum)
+                               (org-babel-params-from-properties lang light))
+                             (mapcar (lambda (h)
+                                       (org-babel-parse-header-arguments h light))
+                                     (cons (org-element-property :parameters datum)
+				           (org-element-property :header datum))))))
 	     (info
 	      (list
 	       lang
 	       (org-babel--normalize-body datum)
-	       (apply #'org-babel-merge-params
-		      (if inline org-babel-default-inline-header-args
-			org-babel-default-header-args)
-		      (and (boundp lang-headers) (eval lang-headers t))
-		      (append
-		       ;; If DATUM is provided, make sure we get node
-		       ;; properties applicable to its location within
-		       ;; the document.
-		       (org-with-point-at (org-element-property :begin datum)
-			 (org-babel-params-from-properties lang light))
-		       (mapcar (lambda (h)
-				 (org-babel-parse-header-arguments h light))
-			       (cons (org-element-property :parameters datum)
-				     (org-element-property :header datum)))))
+               params
 	       (or (org-element-property :switches datum) "")
 	       name
 	       (org-element-property (if inline :begin :post-affiliated)
 				     datum)
-	       (and (not inline) (org-src-coderef-format datum)))))
+	       (and (not inline) (or (cdr (assq :coderef-format params))
+                                     (org-src-coderef-format datum))))))
 	(unless light
 	  (setf (nth 2 info) (org-babel-process-params (nth 2 info))))
 	(setf (nth 2 info) (org-babel-generate-file-param name (nth 2 info)))
@@ -638,13 +644,14 @@ a list with the following pattern:
 (defun org-babel--expand-body (info)
   "Expand noweb references in body and remove any coderefs."
   (let ((coderef (nth 6 info))
+        (coderef-prefix (cdr (assq :coderef-prefix (nth 2 info))))
 	(expand
 	 (if (org-babel-noweb-p (nth 2 info) :eval)
 	     (org-babel-expand-noweb-references info)
 	   (nth 1 info))))
     (if (not coderef) expand
       (replace-regexp-in-string
-       (org-src-coderef-regexp coderef) "" expand nil nil 1))))
+       (org-src-coderef-regexp coderef nil coderef-prefix) "" expand nil nil 1))))
 
 (defun org-babel--file-desc (params result)
   "Retrieve file description."
diff --git a/lisp/ob-tangle.el b/lisp/ob-tangle.el
index aa0373ab8..69c412e06 100644
--- a/lisp/ob-tangle.el
+++ b/lisp/ob-tangle.el
@@ -414,10 +414,13 @@ non-nil, return the full association list to be used by
 	 (src-lang (nth 0 info))
 	 (params (nth 2 info))
 	 (extra (nth 3 info))
-	 (cref-fmt (or (and (string-match "-l \"\\(.+\\)\"" extra)
-			    (match-string 1 extra))
-		       org-coderef-label-format))
-	 (link (let ((l (org-no-properties (org-store-link nil))))
+	 (coderef (nth 6 info))
+         (cref-regexp (org-src-coderef-regexp
+                       (or coderef
+                           org-coderef-label-format)
+                       nil
+                       (cdr (assq :coderef-prefix params))))
+         (link (let ((l (org-no-properties (org-store-link nil))))
                  (and (string-match org-link-bracket-re l)
                       (match-string 1 l))))
 	 (source-name
@@ -443,10 +446,10 @@ non-nil, return the full association list to be used by
 		      (org-babel-expand-body:generic
 		       body params (and (fboundp assignments-cmd)
 					(funcall assignments-cmd params))))))
-	      (when (string-match "-r" extra)
+	      (when (or (string= (cdr (assq :coderef-tangle params)) "no")
+                        (string-match "-r" extra))
 		(goto-char (point-min))
-		(while (re-search-forward
-			(replace-regexp-in-string "%s" ".+" cref-fmt) nil t)
+		(while (re-search-forward cref-regexp nil t)
 		  (replace-match "")))
 	      (run-hooks 'org-babel-tangle-body-hook)
 	      (buffer-string))))
diff --git a/lisp/ol.el b/lisp/ol.el
index b8bd7d234..e2e37ba6d 100644
--- a/lisp/ol.el
+++ b/lisp/ol.el
@@ -44,6 +44,7 @@
 (declare-function calendar-cursor-to-date "calendar" (&optional error event))
 (declare-function dired-get-filename "dired" (&optional localp no-error-if-not-filep))
 (declare-function org-at-heading-p "org" (&optional _))
+(declare-function org-babel-get-src-block-info "ob-core" (&optional light datum))
 (declare-function org-back-to-heading "org" (&optional invisible-ok))
 (declare-function org-before-first-heading-p "org" ())
 (declare-function org-do-occur "org" (regexp &optional cleanup))
@@ -71,7 +72,7 @@
 (declare-function org-run-like-in-org-mode "org" (cmd))
 (declare-function org-show-context "org" (&optional key))
 (declare-function org-src-coderef-format "org-src" (&optional element))
-(declare-function org-src-coderef-regexp "org-src" (fmt &optional label))
+(declare-function org-src-coderef-regexp "org-src" (fmt &optional label rx-prefix))
 (declare-function org-src-edit-buffer-p "org-src" (&optional buffer))
 (declare-function org-src-source-buffer "org-src" ())
 (declare-function org-src-source-type "org-src" ())
@@ -1145,10 +1146,12 @@ of matched result, which is either `dedicated' or `fuzzy'."
 	    (let ((element (org-element-at-point)))
 	      (when (and (memq (org-element-type element)
 			       '(example-block src-block))
-			 (org-match-line
-			  (concat ".*?" (org-src-coderef-regexp
-					 (org-src-coderef-format element)
-					 coderef))))
+                         (let ((info (org-babel-get-src-block-info nil element)))
+			   (org-match-line
+			    (concat ".*?" (org-src-coderef-regexp
+                                           (nth 6 info)
+					   coderef
+                                           (cdr (assq :coderef-prefix (nth 2 info))))))))
 		(setq type 'dedicated)
 		(goto-char (match-beginning 2))
 		(throw :coderef-match nil))))
@@ -1523,7 +1526,9 @@ non-nil."
 	   ;; A code reference exists.  Use it.
 	   ((save-excursion
 	      (beginning-of-line)
-	      (re-search-forward (org-src-coderef-regexp coderef-format)
+	      (re-search-forward (org-src-coderef-regexp coderef-format
+                                                         nil
+                                                         rx-prefix)
 				 (line-end-position)
 				 t))
 	    (setq link (funcall format-link (match-string-no-properties 3))))
diff --git a/lisp/org-src.el b/lisp/org-src.el
index 20acee4e6..b0119ddbc 100644
--- a/lisp/org-src.el
+++ b/lisp/org-src.el
@@ -868,7 +868,7 @@ to the remote source block."
    ((org-element-property :label-fmt (org-element-at-point)))
    (t org-coderef-label-format)))
 
-(defun org-src-coderef-regexp (fmt &optional label)
+(defun org-src-coderef-regexp (fmt &optional label rx-prefix)
   "Return regexp matching a coderef format string FMT.
 
 When optional argument LABEL is non-nil, match coderef for that
@@ -879,7 +879,8 @@ white spaces.  Match group 2 contains the same string without any
 surrounding space.  Match group 3 contains the label.
 
 A coderef format regexp can only match at the end of a line."
-  (format "\\([ \t]*\\(%s\\)[ \t]*\\)$"
+  (format "\\(%s\\(%s\\)[ \t]*\\)$"
+          (or rx-prefix "[ \t]*")
 	  (replace-regexp-in-string
 	   "%s"
 	   (if label (regexp-quote label) "\\([-a-zA-Z0-9_][-a-zA-Z0-9_ ]*\\)")
diff --git a/lisp/ox.el b/lisp/ox.el
index f705bc83a..d8f31990a 100644
--- a/lisp/ox.el
+++ b/lisp/ox.el
@@ -78,8 +78,9 @@
 (require 'org-macro)
 (require 'tabulated-list)
 
+(declare-function org-babel-get-src-block-info "ob-core" (&optional light datum))
 (declare-function org-src-coderef-format "org-src" (&optional element))
-(declare-function org-src-coderef-regexp "org-src" (fmt &optional label))
+(declare-function org-src-coderef-regexp "org-src" (fmt &optional label rx-prefix))
 (declare-function org-publish "ox-publish" (project &optional force async))
 (declare-function org-publish-all "ox-publish" (&optional force async))
 (declare-function org-publish-current-file "ox-publish" (&optional force async))
@@ -4213,9 +4214,12 @@ error if no block contains REF."
 	(lambda (el)
 	  (with-temp-buffer
 	    (insert (org-trim (org-element-property :value el)))
-	    (let* ((label-fmt (or (org-element-property :label-fmt el)
+	    (let* ((ob-info (org-babel-get-src-block-info nil el))
+                   (label-fmt (or (nth 6 ob-info)
 				  org-coderef-label-format))
-		   (ref-re (org-src-coderef-regexp label-fmt ref)))
+		   (ref-re (org-src-coderef-regexp label-fmt
+                                                   ref
+                                                   (cdr (assq :coderef-prefix (nth 2 ob-info))))))
 	      ;; Element containing REF is found.  Resolve it to
 	      ;; either a label or a line number, as needed.
 	      (when (re-search-backward ref-re nil t)
@@ -4627,7 +4631,10 @@ reference on that line (string)."
 		    value
 		  (org-remove-indentation value))))
 	 ;; Build a regexp matching a loc with a reference.
-	 (ref-re (org-src-coderef-regexp (org-src-coderef-format element))))
+         (ob-info (org-babel-get-src-block-info nil element))
+	 (ref-re (org-src-coderef-regexp (nth 6 ob-info)
+                                         nil
+                                         (cdr (assq :coderef-prefix (nth 2 ob-info))))))
     ;; Return value.
     (cons
      ;; Code with references removed.
-- 
2.26.3


^ permalink raw reply related	[flat|nested] 10+ messages in thread

* Re: Bug: inconsistent escaping of coderef regexp
  2021-04-05  5:22       ` Tom Gillespie
  2021-04-05  7:42         ` Tom Gillespie
@ 2021-04-07 17:58         ` Nicolas Goaziou
  2021-04-07 19:44           ` Tom Gillespie
  1 sibling, 1 reply; 10+ messages in thread
From: Nicolas Goaziou @ 2021-04-07 17:58 UTC (permalink / raw)
  To: Tom Gillespie; +Cc: emacs-orgmode

Hello,

Tom Gillespie <tgbugs@gmail.com> writes:

> We can decouple them, so not an issue. The attached patch implements
> the header arg equivalents of -r and -l without making any changes to the
> existing switch behavior.

This is already conflating the two. I'd like to solve the issue at hand
without having header args interfere at all.

This can happen later, after a discussion on the ML.

>> What do you mean by "it is impossible for the user to specify their own
>> coderef regexp that can be used in both cases"? In particular, what is
>> a coderef regexp in this context? I know about coderef format, but
>> I don't think users are supposed to provide a regexp here.
>
> I did a first pass implementation and realized that allowing users to
> specify coderef-regexp is a bad idea. The attached patch fixes the
> divergent behavior of org-bable-tangle-single-block and provides a
> standard way to specify a :coderef-prefix regexp so that empty
> comments can be stripped.

Would you mind answering my questions first? I still don't follow you
about the coderef prefix/regexp.

Regards,
-- 
Nicolas Goaziou


^ permalink raw reply	[flat|nested] 10+ messages in thread

* Re: Bug: inconsistent escaping of coderef regexp
  2021-04-07 17:58         ` Nicolas Goaziou
@ 2021-04-07 19:44           ` Tom Gillespie
  2021-04-09 22:19             ` Nicolas Goaziou
  0 siblings, 1 reply; 10+ messages in thread
From: Tom Gillespie @ 2021-04-07 19:44 UTC (permalink / raw)
  To: Tom Gillespie, emacs-orgmode

[-- Attachment #1: Type: text/plain, Size: 2019 bytes --]

Hi Nicolas,
    I've included the simplest patch I could come up with for the
divergence in behavior between org-babel-tangle-single-file and
org-link-search. I think there are two new threads that I need to
create. One is related to how to make it possible to specify what
should be removed along with the coderef (i.e. coderef prefix), the
other is the addition of header arguments that provide the same
functionality as switches. Best,
Tom

> This is already conflating the two. I'd like to solve the issue at hand
> without having header args interfere at all.
>
> This can happen later, after a discussion on the ML.

Ok. I've included the simplest version of the fix, which is to use
org-src-coderef-regexp in org-babel-tangle-single-file.

> Would you mind answering my questions first? I still don't follow you
> about the coderef prefix/regexp.

https://code.orgmode.org/bzg/org-mode/src/2d78ea57cfad1ddc3e993c949daf117b76315170/lisp/org-src.el#L882

That line defines a hardcoded regular expression for matching
coderefs. The codref prefix is the first =[ \t]*= and the coderef
regexp is the equivalent to the fully formatted version of that format
string. Neither of those can currently be specified by the user. The
user should not be able to specify the coderef regexp due to the fact
that it is too easy to specify a regexp that will not work correctly
and because the format string is needed to make org-link-search work
for named coderefs (otherwise you wind up trying to replace .+ in the
coderef regexp which is a nightmare). The coderef prefix is something
that should probably be configurable by the user so that empty
comments are not left in the file. I also looked into detecting the
comment character for the language in question, but that is
significantly more difficult even using (with-temp-buffer (funcall
lang-mode) comment-start) because not all languages have sane comment
start values and comment-start is not complete, so we would need a way
to manually specify what to exclude anyway.

[-- Attachment #2: 0001-lisp-ob-tangle.el-Fix-coderef-removal-during-tanglin.patch --]
[-- Type: text/x-patch, Size: 1622 bytes --]

From c30913da6b1c8d6be3670a59ae867df019505af3 Mon Sep 17 00:00:00 2001
From: Tom Gillespie <tgbugs@gmail.com>
Date: Wed, 7 Apr 2021 12:29:01 -0700
Subject: [PATCH] lisp/ob-tangle.el: Fix coderef removal during tangling

* lisp/ob-tangle.el (orb-babel-tangle-single-block): Regularize
behavior when removing coderefs during tangling. This fixes an issue
where trailing whitespace would be retained when coderefs were removed
for tangling.
---
 lisp/ob-tangle.el | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/lisp/ob-tangle.el b/lisp/ob-tangle.el
index aa0373ab8..4c0c3132d 100644
--- a/lisp/ob-tangle.el
+++ b/lisp/ob-tangle.el
@@ -414,9 +414,8 @@ non-nil, return the full association list to be used by
 	 (src-lang (nth 0 info))
 	 (params (nth 2 info))
 	 (extra (nth 3 info))
-	 (cref-fmt (or (and (string-match "-l \"\\(.+\\)\"" extra)
-			    (match-string 1 extra))
-		       org-coderef-label-format))
+         (coderef (nth 6 info))
+	 (cref-regexp (org-src-coderef-regexp coderef))
 	 (link (let ((l (org-no-properties (org-store-link nil))))
                  (and (string-match org-link-bracket-re l)
                       (match-string 1 l))))
@@ -445,8 +444,7 @@ non-nil, return the full association list to be used by
 					(funcall assignments-cmd params))))))
 	      (when (string-match "-r" extra)
 		(goto-char (point-min))
-		(while (re-search-forward
-			(replace-regexp-in-string "%s" ".+" cref-fmt) nil t)
+		(while (re-search-forward cref-regexp nil t)
 		  (replace-match "")))
 	      (run-hooks 'org-babel-tangle-body-hook)
 	      (buffer-string))))
-- 
2.26.3


^ permalink raw reply related	[flat|nested] 10+ messages in thread

* Re: Bug: inconsistent escaping of coderef regexp
  2021-04-07 19:44           ` Tom Gillespie
@ 2021-04-09 22:19             ` Nicolas Goaziou
  0 siblings, 0 replies; 10+ messages in thread
From: Nicolas Goaziou @ 2021-04-09 22:19 UTC (permalink / raw)
  To: Tom Gillespie; +Cc: emacs-orgmode

Hello,

Tom Gillespie <tgbugs@gmail.com> writes:

>     I've included the simplest patch I could come up with for the
> divergence in behavior between org-babel-tangle-single-file and
> org-link-search.

Thank you. I applied it.

> https://code.orgmode.org/bzg/org-mode/src/2d78ea57cfad1ddc3e993c949daf117b76315170/lisp/org-src.el#L882
>
> That line defines a hardcoded regular expression for matching
> coderefs.

It is a reasonable one, however, since it just means "the coderef is the
last thing on the line".

> The codref prefix is the first =[ \t]*= and the coderef
> regexp is the equivalent to the fully formatted version of that format
> string. Neither of those can currently be specified by the user. 

[...]

> The coderef prefix is something that should probably be configurable
> by the user so that empty comments are not left in the file.

I'm not convinced this should be configurable, as I fail to see
a use-case for such a customization. Note that in the case you mention,
comment syntax should probably be part of the coderef label itself.

Regards,
-- 
Nicolas Goaziou


^ permalink raw reply	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2021-04-09 22:20 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-01-04 20:33 Bug: inconsistent escaping of coderef regexp Tom Gillespie
2021-04-01 15:45 ` Nicolas Goaziou
2021-04-01 16:09   ` Timothy
2021-04-04 22:01   ` Tom Gillespie
2021-04-04 23:12     ` Nicolas Goaziou
2021-04-05  5:22       ` Tom Gillespie
2021-04-05  7:42         ` Tom Gillespie
2021-04-07 17:58         ` Nicolas Goaziou
2021-04-07 19:44           ` Tom Gillespie
2021-04-09 22:19             ` Nicolas Goaziou

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