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Re: [Bug-ed] Two more buglets

From: Antonio Diaz Diaz
Subject: Re: [Bug-ed] Two more buglets
Date: Fri, 15 Apr 2011 13:55:38 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i586; en-US; rv:1.7.11) Gecko/20050905

Martin Guy wrote:
A notice a couple of differences in the 'l' command:

1) They differ in that GNU ed prints a $ after the last char of each
line whereas old ed doesn't (and the manual says nothing about this
except that it "prints the lines unambiguously".

This is why I hate to have a texinfo manual and a man page. They get out of sync so easily. The texinfo manual says:

     Prints the addressed lines unambiguously. The end of each line is
     marked with a `$', and every `$' character within the text is
     printed with a preceding backslash. The current address is set to
     the last line printed.

It is perhaps time to begin generating the man page with "help2man".

2) Both the manual pages for GNU ed and for old ed's manuals say that
'l' paginates the output if it's longer than a screenful:

Pagination (pause mode) was removed long ago (in 2006) by popular demand. If you listed by mistake a large file, you were forced to press the RETURN key lots of times.

but neither of them actually does so!

I guess every ed out there has removed pause mode. It was so inconvenient! It also seems man pages tend to become obsolete everywhere. :-)

I've published the reason I was examining the code and behviour so
closely: translating it into Lua:

As you can see, your work is also benefiting GNU ed. Thanks.


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