> > *CSTR 54 has a list of the original ones. :-)*
Haha, don't worry, I was actually going through it page-by-page when I wrote this. =) I simply meant that I forgot about how that particular macro should affect highlighting. *After a .ft with no arguments, it seems.* Okay, you've just pointed out a very important oversight with how the site's parsing engine handles certain lookaheads. Thank you. GitHub's highlighting is driven by a different regular expression engine to the one Atom uses, so there're some discrepancies with how newlines are handled. I'll double-check each expression using (?=\n) and make sure it's using (?=\n|$) to cater for the differences. On 22 July 2016 at 23:47, Ralph Corderoy <ra...@inputplus.co.uk> wrote: > Hi John, > > > > That's why .ig doesn't cause subsequent lines to be ignored. > > > > Uh, actually, I completely forgot about that macro... > > CSTR 54 has a list of the original ones. :-) > > > That actually *can* > > be handled in a line-based fashion, because TextMate operates by opening > > "scopes" in response to patterns. Thanks for picking up on that! > > It's like .de rather than just ignoring its content, e.g. > > $ nroff | grep . > .nr x 1 10 > \n+x > .ig gy > \n+x > .gy > \n+x > ^D > 11 31 > $ > > > > And why \\fB inside a .de is treated as \fB. > > > > That was actually a conscious exception on my part. Many roff macros need > > heavy escaping, so I made all `\` characters match as one character. > > Ah, OK. I think one common error is forgetting to have sufficient \ in > a macro definition. (What do others think?) Having \fB and \\fB appear > different inside a .de scope would help show that. But I also see that > having the fB be recognised is useful too. > > > > Why is .PS orange versus .PE's purple? > > > > Hrm, could you show me where you're seeing that, please? =) > > After a .ft with no arguments, it seems. > > > https://github-lightshow.herokuapp.com/?utf8=%E2%9C%93&scope=from-url&grammar_url=https%3A%2F%2Fgithub.com%2FAlhadis%2Flanguage-roff%2Fblob%2Fstatic%2Froff.json&grammar_text=&code_source=from-text&code_url=https%3A%2F%2Fgithub.com%2Frust-lang%2Frust%2Fblob%2Fmaster%2Fman%2Frustdoc.1&code=.de+MO+ed%0D%0A%5C%5CfBerror%5CfP+%5C%5CfIok%5C%5CfP%0D%0A.ed%0D%0A.ig+gy%0D%0A.nothing+special%2C+but+%5Cn%2Br%0D%0A.gy%0D%0A.ft+B%0D%0A.ft%0D%0A.PS%0D%0Abox+box+box%0D%0A.PE > > Cheers, Ralph. >
