branch: externals/relint
commit 5d3f78da32b03b8926076c10426366e07fd0f318
Author: Mattias Engdegård <matti...@acm.org>
Commit: Mattias Engdegård <matti...@acm.org>
Update xr messages ("repetition" changed to "option")
---
README | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/README b/README
index 34a7b5b..7d25c5e 100644
--- a/README
+++ b/README
@@ -71,11 +71,17 @@ skip-syntax-backward.
in order to include a literal backslash.
- Repetition of repetition
+ - Repetition of option
+ - Optional repetition
+ - Optional option
A repetition construct is applied to an expression that is already
- repeated, such as a*+ (? counts as repetition here). Such
- expressions can be written with a single repetition and often
- indicate a different mistake, such as missing backslashes.
+ repeated, such as a*+ or \(x?\)?. These expressions can be written
+ with a single repetition and often indicate a different mistake,
+ perhaps a missing backslash.
+
+ When a repetition construct is ? or ??, it is termed 'option'
+ instead; the principle is the same.
- Reversed range 'Y-X' matches nothing
@@ -186,12 +192,14 @@ skip-syntax-backward.
intended as part of a range.
- Repetition of zero-width assertion
+ - Optional zero-width assertion
A repetition operator was applied to a zero-width assertion, like
^ or \<, which is completely pointless. The error may be a missing
escaping backslash.
- Repetition of expression matching an empty string
+ - Optional expression matching an empty string
A repetition operator was applied to a sub-expression that could
match the empty string; this is not necessarily wrong, but such
