Log Message:
Update to 6.3.4

Changelog:
---- Version 6.3.4 - 11/05/11 ----

Pseudo-decorations 'linebreak' and 'decosep' added
        (proof of concept - not documented).
Error when escape sequences in guitar chord or annotations.
Bad tempo since previous release.
Remove the 'tex' sequences '\o', \O', '\cc' and '\cC'.

---- Version 6.3.3 - 11/05/10 ----

Ignore the normal newlines when '!' found as newline and abc-version < 2.0.
Add some compose sequences from X11 (including \O:, \U:, \O" and \U")
        (reported by Nils Liberg).
Change/add some rfc1345 escape sequences.
Bad / no output of the '=' of the tempo by lack of font.
        This did the program to crash when no title and SVG output
        (reported by Nils Liberg).
Cleanly close a tune no blank line before next tune
        (reported by Nils Liberg).
Crash when X: in tune followed by %%text.
Bad page header/footer in SVG output file.
Fix standard C library problem (in isupper) with some systems/compilers
        (reported by Nils Liberg).
Bad treatment in %%titlecaps.
Optimize the size of the SVG output file.
Support for line width in SVG output.

---- Version 6.3.2 - 11/05/03 ----
                                                                                \ 
Accept %%EPS when SVG output.
Add the '-v' command flag (SVG output per page).
More PS symbols in the svg PS interpreter.
Bug fixes in the svg PS interpreter.