[OS X TeX] Sync with ConTeXt
Axel E. Retif
axretif at igo.com.mx
Sun Sep 18 14:22:35 EDT 2005
On Sep 18, 2005, at 9:37 AM, Herbert Schulz wrote:
> On Sep 17, 2005, at 10:50 PM, Axel E. Retif wrote:
>
>> Right now I'm using TeXShop with a 320 pages book of 9 \include(d)
>> chapters. Jumping from source to pdf always works at first try;
>> from pdf to source sometimes I have to click in nearby places
>> until I get to the right place in the source, but it almost always
>> works.
>
> Howdy,
>
> My experience is that it works fine if you try to look for a region
> of plain text since otherwise the search has a hard time finding a
> corresponding match. After all the mark up and output are not a
> simple one-to-one text match.
Yes, this is what Richard Koch says about it:
--------------
> When using this facility, it helps to know the underlying
> mechanism. Suppose you click on a spot in the source file. TeXShop
> obtains the string 20 characters wide centered about the click, and
> searches for the corresponding string in the pdf file. If it finds
> this string exactly once, it circles the pdf string in red and
> declares success. But often, source strings contain formatting
> commands and do not match output strings; this is certainly true
> when typesetting mathematics. So if the search fails, TeXShop backs
> up 5 characters, obtains a new string 20 characters wide, and tries
> again. It repeats this operation 20 times if necessary, and if none
> of the tries succeeds it repeats the operation 20 more times
> looking forward past the original string rather than backward. If
> none of these search operations succeeds, TeXShop gives up.
>
> Obviously, then, it is best to click on sentences rather than
> formulas. Paragraphs with heavy markup may not synchronize well.
> Experiments show, however, that searches usually succeed and
> clicking can be done without really thinking about selecting an
> appropriate spot.
>
> Synchronizing from the preview window to the source window works
> the same way, but there is an additional complication. Projects may
> contain several source files, inserted using the \include or \input
> methods. TeXShop handles this complication by assuming that all
> \include and \input statements occur in the root file, using one of
> the commands \include{this file}, \input{this file}, or \import
> {this file}. In the initial implementation, it makes a list of the
> first twenty such files and searches all of them, declaring success
> if a string occurs exactly once in exactly one of the files.
-----------------
Best
Axel
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