should be able to escape ^L about pando.py

[chadwhitacre]

Now that we support caret-L in addition to true page breaks, you have a workaround for a common case, displaying a simplate snippet on a web page, using the HTML-specific escape: ^L.

[pjz]

The simplate should realy be breaking on \n^L\n, right? That is, a ^L on a line by itself? So if you have a print("^L") it should be fine, right?

[chadwhitacre]

I don't think we want to break on \n^L\n. Sometimes I like to emphasize breaks by doing:

# ============================= ^L

Other times I like to keep text files trim by doing:

^Lfoo

I think ^^L should be the escape sequence (caret-caret-ell).

[pjz]

Oh, wow, I totally didn't realize that a ^L anywhere would do that. Why do you think we should avoid breaking on \n^L\n ? I think I like the idea of \n^L\n more since it would be 1) more obvious where it was in the file and 2) it would mean you have to worry less about escaping a ^L that's used in code or data since it's not the single char that is the break, it's 3 chars in a row, so it's more unlikely to occur.

If you want to emphasize a break you could do

# =========================================
^L
<!-- ======================================= -!>

Or even just either one of the horizontal lines.

[lyndsysimon]

I propose that a line containing an unescaped ^L be discarded entirely. This would break @whit537's case above where he is using ^Lfoo, but all other comment styles would remain supported.

If this is implemented, then the user can choose any type of separation they feel appropriate:

^L

=========== ^L

----------------------^L----------------------

et cetera.

[pjz]

Don't forget that the ^L line can now have syntax between the ^L and the following EOL -

class Counter:
   value = 0
counter = Counter()
^L
counter.value += 1
number = counter.value
^L #!pystache text/plain
Hello, visitor # {{ number }} !
^L #!pystache text/html
<H1>Hello, visitor # {{ number }} ! </H1>
^L #!pystache text/json
{ message: "Hello!", visitor_number: {{ number }} }

[pjz]

Closable since #167 includes escapable pagebreaks.

[chadwhitacre]

!m