[PATCH] Clarify that REST is not supported on the start TIME in a time-range timestamp.

["Tom Alexander" <tom@fizz.buzz>]

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If REST is included in the first TIME on a time-range timestamp then the entire timestamp becomes a single range-less timestamp. To test I used the following test document:
```
[1970-01-01 Thu 8:15-13:15foo]
[1970-01-01 Thu 8:15foo-13:15]
```

The first line parses as a timerange from 8:15-13:15.
The second line parses as a single timestamp at 8:15.

--
Tom Alexander
pgp: https://fizz.buzz/pgp.asc

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From b1114e983d961d48e1d837b8d2ad209a976a5417 Mon Sep 17 00:00:00 2001
From: Tom Alexander <tom@fizz.buzz>
Date: Mon, 2 Oct 2023 17:35:28 -0400
Subject: [PATCH] * org-syntax.org (Timestamps): Clarify that REST is not
 supported on the start TIME in a time-range timestamp.

If REST is included in the first TIME on a time-range timestamp then the entire timestamp becomes a single range-less timestamp. To test I used the following test document:
```
[1970-01-01 Thu 8:15-13:15foo]
[1970-01-01 Thu 8:15foo-13:15]
```

The first line parses as a timerange from 8:15-13:15.
The second line parses as a single timestamp at 8:15.
---
 org-syntax.org | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/org-syntax.org b/org-syntax.org
index c2061431..0c326ba8 100644
--- a/org-syntax.org
+++ b/org-syntax.org
@@ -1686,9 +1686,10 @@ YYYY-MM-DD DAYNAME
   - DAYNAME (optional) :: A string consisting of non-whitespace
     characters except =+=, =-=, =]=, =>=, a digit, or =\n=.
 + TIME (optional) :: An instance of the pattern =H:MMREST= where =H=
-  represents a one to two digit number (and can start with =0=), and =M=
-  represents a single digit.  =REST= can contain anything but =\n= or
-  closing bracket.
+  represents a one to two digit number (and can start with =0=), and
+  =M= represents a single digit.  =REST= can contain anything but =\n=
+  or closing bracket. =REST= cannot exist on the start TIME in a
+  time-range timestamp (the patterns with =TIME-TIME=).
 + REPEATER-OR-DELAY (optional) :: An instance of the following pattern:
   #+begin_example
 MARK VALUE UNIT
-- 
2.42.0