On Tue, 17 Apr 2018, Hans Hagen wrote:
On 4/17/2018 12:01 AM, Aditya Mahajan wrote:
All features of the filter and vim modules work with the latest beta,
except for one final bug: leading spaces are stripped from the buffer.
\starttext
\startbuffer[test]
Leading spaces
\stopbuffer
\savebuffer[file=test-temp.tmp, prefix=no, list=test]
\stoptext
The leading spaces are stripped before the buffer is saved to the file
temp.tmp. Is it possible for the leading space NOT to be stripped? (If
not, I'll just document this as a feature :-).
\samplefile{ward}
\startnarrower
\samplefile{ward}
\startbuffer[test]
Leading spaces
And some more
\stopbuffer
\typebuffer[test]
\stopnarrower
\samplefile{ward}
\startbuffer[test]
Leading spaces
And some more
\stopbuffer
\typebuffer[test]
it is actually a feature to align the left edge relative to the least
indented so that we can use them inside other constructs
Now, as you're not afraid of low level code:
\unprotect
\unexpanded\def\StartAditya
{\buff_pickup
{Aditya}%
{StartAditya}%
{StopAditya}%
{}%
{\savebuffer[file=test-temp.tmp,prefix=no,list=Aditya]}%
\zerocount}
This is perfect as I am already using `\grabbufferdata` in my code. I can
easily adapt it to use `\buff_pickup` instead. Thanks!.
Does what you want but of course it's sort of ugly for a module to do that.
What we can do is this which is still ugly but picking up verbatim is
always ugly:
\def\buff_start_indeed#1#2#3#4%
{\edef\p_strip{\namedbufferparameter{#1}\c!strip}%
\normalexpanded{\buff_pickup{#2}{#3}{#4}{}{\buff_stop{#4}}\ifx\p_strip\v!no\zerocount\else\plusone\fi}}
\protect
I want this to be configurable at runtime and the vim module already has
code that enables `strip=yes` and `strip=no` options (I do this via a
function in vim so that it works with both mkii and mkiv; although I don't
think that anyone uses the mkii module any longer).
Aditya
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