Wed, 09 Apr 2014 23:04:20 +0200 wenzelm basic URL operations (with Isabelle/Scala error handling);
Wed, 09 Apr 2014 20:58:32 +0200 wenzelm proper Args.name vs. Args.text as documented (in contrast to adhoc union in 75aaee32893d, which had to cope with more limited Args.T);
Wed, 09 Apr 2014 17:54:09 +0200 wenzelm allow text cartouches in regular outer syntax categories "text" and "altstring";
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