don’t allow graphically creating a latex file with paren or quotes etc in filename; also don't allow filenames with / \
don’t allow graphically creating a latex file with paren or quotes etc in filename; also don't allow filenames with / \

sagemathinc/smc,DrXyzzy/smc,DrXyzzy/smc,DrXyzzy/smc,tscholl2/smc,tscholl2/smc,DrXyzzy/smc,tscholl2/smc,sagemathinc/smc,sagemathinc/smc,tscholl2/smc,tscholl2/smc,sagemathinc/smc