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Re: how to type math symbols in gnu emacs 2.12.19


From: Tim X
Subject: Re: how to type math symbols in gnu emacs 2.12.19
Date: Fri, 18 Feb 2011 10:50:26 +1100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

"a.efremov" <address@hidden> writes:

> On Feb 17, 10:41 am, Peter Dyballa <address@hidden> wrote:
>> Am 17.02.2011 um 02:47 schrieb a.efremov:
>>
>> > checking for alloca... no
>> > checking whether `alloca.c' needs Cray hooks... no
>> > checking stack direction for C alloca... -1
>> > configure: error: a system implementation of alloca is required
>>
>> The file config.log can give you more details.
>>
>> When the buffer's encoding is set to UTF-8 you can simply type the  
>> maths characters on your keyboard. When you set read-quoted-char-radix  
>> to 16 you can insert them by typing C-q 2 2 6 b <something not  
>> hexadecimal> or C-q 1 d 7 4 a <something not hexadecimal> to insert  
>> the character from this position in Unicode (U+226B or U+1D74A). UTF-8  
>> support is improved in GNU Emacs 23.x.
>>
>> When you copy something in a modern windowing system, then not only  
>> some text is copied (and this text can be copied in many different  
>> coding systems) but also text attributes (bold, not upright, at 24  
>> pt). And this combination is inserted by pasting it into some buffer –  
>> in a different text encoding. Some customisation can be done in the  
>> windowing system and some in GNU Emacs.
>>
>> --
>> Greetings
>>
>>    Pete
>>
>> There is no national science just as there is no national  
>> multiplication table; what is national is no longer science.
>>                                 – Anton Checov
>
> hello,
>
> adding soft link definitely helps to build binary > ll /usr/lib64/
> libX11.*
> lrwxrwxrwx 1 root root      11 2011-02-17 12:46 /usr/lib64/libX11.so -
>> libX11.so.6
>
> emacs runs. Unicode symbols are ok on display. instead of just \xxx as
> it was with emacs-22.
> But. Menu doesnt work at all, emacs always pop up File-menu. then very
> unfriendly black menu bar ..
> address@hidden emacs-23.2]$ ldd /usr/local/bin/emacs
>         linux-vdso.so.1 =>  (0x00007fffe01ff000)
>         libX11.so.6 => /usr/lib64/libX11.so.6 (0x00000034ab000000)
>         libncurses.so.5 => /lib64/libncurses.so.5 (0x0000003898a00000)
>         libm.so.6 => /lib64/libm.so.6 (0x00000034a8400000)
>         libc.so.6 => /lib64/libc.so.6 (0x00000034a8000000)
>         libtinfo.so.5 => /lib64/libtinfo.so.5 (0x0000003898200000)
>         libxcb-xlib.so.0 => /usr/lib64/libxcb-xlib.so.0
> (0x00000034aac00000)
>         libxcb.so.1 => /usr/lib64/libxcb.so.1 (0x00000034aa000000)
>         libdl.so.2 => /lib64/libdl.so.2 (0x00000034a8800000)
>         /lib64/ld-linux-x86-64.so.2 (0x00000034a6e00000)
>         libXau.so.6 => /usr/lib64/libXau.so.6 (0x00000034aa800000)
>         libXdmcp.so.6 => /usr/lib64/libXdmcp.so.6 (0x00000034aa400000)
>
> I have a feeling that emacs is broken and doesnt work as expected. in
> my configuration. Dont know what I should look at to spot the problem.
>
Many modern Linux distributions that use a package system have the
ability to ensure necessary dev libraries and other required tools for
building a package are installed and will install them if there not. 

For example, under Debian based systems, you have apt-get --build-dep
<package> which will install all the necessary build dependencies for a
package. This can be very useful when you want to build a later version
from sources as it takes away some of the pain of ensuring all necessary
packages are installed. 

So, when I wanted to build emacs 24 from sources, the first thing I did
was run 

apt-get --build-dep emacs23

which ensured all the necessary packages to build emacs 23 were
installed. Then all I had to do was manually add any new libraries used
by emacs 24 (in this case, there were none). 

I believe (from memory) rpm has a similar facility. Recommend you look
into it as it will help ensure your system has the necessary libs for
building emacs - may make life easier. 

If you still have problems, check the config.log file. It will tell you
what was not available and what you may still need to install.

Tim


-- 
tcross (at) rapttech dot com dot au


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