https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=215349
Bug ID: 215349
Summary: [PATCH] Restore default tab file completion behavior
for nvi
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Keywords: patch
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: freebsd-bugs@FreeBSD.org
Reporter: le...@ee.lbl.gov
Keywords: patch
Created attachment 178017
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=178017&action=edit
patch
Prior to FreeBSD 10 and nvi version 2.0.3 the filec option was undefined by
default. For example you could change blanks to tabs from vi mode with:
:%s/ /^I/g
This is the behavior for vi in System V, all versions of BSD vi, nvi up to and
including 1.79 and the vi/nvi that shipped with all versions of FreeBSD prior
to 10.
Head r254225 upgraded nvi from 1.79 to 2.1.1-4334a8297f which added:
filec=\t
to opts_init() changing the default. This means to use a tab in a substitution
while in vi mode you must escape it with ^V. In most cases typing a bare ^I
results in the terminal bell sound.
Note that tab works the old way when editing in ex mode. This means doing
substitutions is currently different between vi mode and ex mode.
The upstream repo for nvi is here:
https://github.com/lichray/nvi2
r322 is the version that added the filec default to opts_init().
Here is the github issue about this problem:
https://github.com/lichray/nvi2/issues/15
I believe the plan is to either remove this default or apply it contextually.
The attached patch against head/308461 restores the old filec default of
undefined.
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