March 2007 - ntg-pdftex - NTG Mailing Lists

[ pdftex-Bugs-747 ] \letterspacefont and \pdffontexpand, again
by noreply＠sarovar.org 10 Mar '07

10 Mar '07

Bugs item #747, was opened at 2007-03-09 04:09 You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=493&aid=747&group_id=106 Category: hz Group: v1.40.1 Status: Open >Resolution: Accepted Priority: 5 Submitted By: Robert (schlcht) Assigned to: The Thanh Han (hanthethanh) Summary: \letterspacefont and \pdffontexpand, again Initial Comment: When expanding a letterspaced font, the base font will be expanded, too, resulting in the error `font has been expanded with different parameters' when the base font is expanded again: \letterspacefont\lsfont\font 100 \pdffontexpand\lsfont 20 20 5 autoexpand \pdffontexpand\font 20 20 5 autoexpand Z\bye ---------------------------------------------------------------------- >Comment By: Martin Schröder (oneiros) Date: 2007-03-10 20:22 Message: Logged In: YES user_id=421 No. It's an undocumented primitive. ;-) ---------------------------------------------------------------------- Comment By: The Thanh Han (hanthethanh) Date: 2007-03-09 18:28 Message: Logged In: YES user_id=710 sigh. A mistake when implementing the \pdffontexpand primitive: it should load a new font for expansion, instead of expanding a loaded font. Too late for change now? ---------------------------------------------------------------------- You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=493&aid=747&group_id=106

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[ pdftex-Bugs-747 ] \letterspacefont and \pdffontexpand, again
by noreply＠sarovar.org 09 Mar '07

09 Mar '07

Bugs item #747, was opened at 2007-03-09 03:09 You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=493&aid=747&group_id=106 Category: hz Group: v1.40.1 Status: Open Resolution: None Priority: 5 Submitted By: Robert (schlcht) Assigned to: The Thanh Han (hanthethanh) Summary: \letterspacefont and \pdffontexpand, again Initial Comment: When expanding a letterspaced font, the base font will be expanded, too, resulting in the error `font has been expanded with different parameters' when the base font is expanded again: \letterspacefont\lsfont\font 100 \pdffontexpand\lsfont 20 20 5 autoexpand \pdffontexpand\font 20 20 5 autoexpand Z\bye ---------------------------------------------------------------------- >Comment By: The Thanh Han (hanthethanh) Date: 2007-03-09 17:28 Message: Logged In: YES user_id=710 sigh. A mistake when implementing the \pdffontexpand primitive: it should load a new font for expansion, instead of expanding a loaded font. Too late for change now? ---------------------------------------------------------------------- You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=493&aid=747&group_id=106

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[ pdftex-Bugs-747 ] \letterspacefont and \pdffontexpand, again
by noreply＠sarovar.org 08 Mar '07

08 Mar '07

Bugs item #747, was opened at 2007-03-09 03:09 You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=493&aid=747&group_id=106 Category: hz Group: v1.40.1 Status: Open Resolution: None Priority: 5 Submitted By: Robert (schlcht) Assigned to: The Thanh Han (hanthethanh) Summary: \letterspacefont and \pdffontexpand, again Initial Comment: When expanding a letterspaced font, the base font will be expanded, too, resulting in the error `font has been expanded with different parameters' when the base font is expanded again: \letterspacefont\lsfont\font 100 \pdffontexpand\lsfont 20 20 5 autoexpand \pdffontexpand\font 20 20 5 autoexpand Z\bye ---------------------------------------------------------------------- You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=493&aid=747&group_id=106

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[ pdftex-Patches-746 ] Patch PromptFileName
by noreply＠sarovar.org 07 Mar '07

07 Mar '07

Patches item #746, was opened at 2007-03-07 17:41 You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=495&aid=746&group_id=106 Category: None Group: None Status: Open Resolution: None Priority: 5 Submitted By: Heiko Oberdiek (oberdiek) Assigned to: Nobody (None) Summary: Patch PromptFileName Initial Comment: Subject: Patch PromptFileName Date: 2007/03/07 Author: Heiko Oberdiek The patches are based on pdfTeX 1.40.3 There is some discussion in the tex-live list: List: tex-live(a)tug.org Date: March 2007 Subject: Bug in TexLive 2005 and 2007? Non-writable aux-file If TeX asks for a file name, what action should be taken, if the user doesn't provide a file name? The current behaviour has changed from Web2C 7.5.2 to 7.5.6 and is quite impredictible: * Append some default extension if file extension is not given. * Use previous file name part, if this part is empty. Sometimes this behaves as "retry action" by chance, sometimes a source file gets overwritten. Two patches are provided that implement alternative actions: * Retry.diff If the user doesn't specify a file name, then the whole previous file name is used including the area and extension parts. * Abort.diff If the user doesn't specify a file name, then the job is aborted. Unhappily Ctrl-C (or Ctrl-D) have only a retarded effect after the file name is used again (and eventually causing harm). This is a clean way to end the job even if there isn't a valid file name to provide. Both files patches web2c/texk/tex.ch. Of course they cannot be used at the same time. And both patches also show the default name extension, when the user is prompted for a file name. Have fun, Heiko <oberdiek(a)uni-freiburg.de> ---------------------------------------------------------------------- You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=495&aid=746&group_id=106

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[ pdftex-Feature Requests-743 ] Fake beginning/end of line for protrusion
by noreply＠sarovar.org 07 Mar '07

07 Mar '07

Feature Requests item #743, was opened at 2007-03-06 02:20 You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=496&aid=743&group_id=106 Category: HZ Group: v1.50 Status: Open Resolution: Accepted Priority: 5 Submitted By: Robert (schlcht) Assigned to: The Thanh Han (hanthethanh) Summary: Fake beginning/end of line for protrusion Initial Comment: Although the situation with missing protrusion has certainly improved, there are still a lot of cases where characters will not be protruded (e.g. with indented paragraphs, at the beginning of list items, or of table cells). So I think it would be useful to have some commands that make pdftex believe that it is at the beginning or end of a line (e.g. \protchar{left,right}). So that you could for instance say: \item\protcharleft ``... Difficult? ---------------------------------------------------------------------- >Comment By: The Thanh Han (hanthethanh) Date: 2007-03-07 09:52 Message: Logged In: YES user_id=710 yes inserting a whatsit node that would be changed to a kern seems the easiest way. I will give a try soon. ---------------------------------------------------------------------- Comment By: Robert (schlcht) Date: 2007-03-06 17:21 Message: Logged In: YES user_id=2217 Maybe new (whatsit) nodes that can be caught in find_protchar_left/right? microtype is quite good in translating characters into slots (\MT@get@slot), but not really good enough to always allow natural input, e.g., ligatures and things like "` (German babel) won't be recognised. So my current workaround is: \def\protcharleft#1{% {\everypar{}% \setbox0\vbox{\noindent#1}% \vbadness=10000 \splittopskip=0pt \global\setbox0=\vsplit0 to \baselineskip \unvbox0 \global\setbox0=\lastbox}% \ifhbox0 \leavevmode \kern\leftmarginkern0 \fi #1} But this doesn't always work, e.g. in tabulars. Ligatures and other stuff still have to be enclosed in braces. ---------------------------------------------------------------------- Comment By: Taco Hoekwater (taco) Date: 2007-03-06 08:00 Message: Logged In: YES user_id=1608 I will be experimenting with Aleph's \localleftbox somewhere next month, that may be a starting point. But it is unlikely that any command based on that will be able to influence line breaking. ---------------------------------------------------------------------- Comment By: The Thanh Han (hanthethanh) Date: 2007-03-06 07:52 Message: Logged In: YES user_id=710 yes it makes sense. I am not sure whether \protcharleft could be implemented as macro: one can fetch the next char, get the lpcode and do a corresponding kern. However I don't know how to convert a character to its charcode to fetch the relevant lpcode. Another problem is that if the next char is part of a ligature (as in your example), it doesn't work. Looks like a primitive is needed. Does anyone have a suggestion how it could be implemented? ---------------------------------------------------------------------- You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=496&aid=743&group_id=106

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[ pdftex-Feature Requests-743 ] Fake beginning/end of line for protrusion
by noreply＠sarovar.org 06 Mar '07

06 Mar '07

Feature Requests item #743, was opened at 2007-03-06 02:20 You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=496&aid=743&group_id=106 Category: HZ Group: v1.50 Status: Open Resolution: Accepted Priority: 5 Submitted By: Robert (schlcht) Assigned to: The Thanh Han (hanthethanh) Summary: Fake beginning/end of line for protrusion Initial Comment: Although the situation with missing protrusion has certainly improved, there are still a lot of cases where characters will not be protruded (e.g. with indented paragraphs, at the beginning of list items, or of table cells). So I think it would be useful to have some commands that make pdftex believe that it is at the beginning or end of a line (e.g. \protchar{left,right}). So that you could for instance say: \item\protcharleft ``... Difficult? ---------------------------------------------------------------------- >Comment By: Robert (schlcht) Date: 2007-03-06 17:21 Message: Logged In: YES user_id=2217 Maybe new (whatsit) nodes that can be caught in find_protchar_left/right? microtype is quite good in translating characters into slots (\MT@get@slot), but not really good enough to always allow natural input, e.g., ligatures and things like "` (German babel) won't be recognised. So my current workaround is: \def\protcharleft#1{% {\everypar{}% \setbox0\vbox{\noindent#1}% \vbadness=10000 \splittopskip=0pt \global\setbox0=\vsplit0 to \baselineskip \unvbox0 \global\setbox0=\lastbox}% \ifhbox0 \leavevmode \kern\leftmarginkern0 \fi #1} But this doesn't always work, e.g. in tabulars. Ligatures and other stuff still have to be enclosed in braces. ---------------------------------------------------------------------- Comment By: Taco Hoekwater (taco) Date: 2007-03-06 08:00 Message: Logged In: YES user_id=1608 I will be experimenting with Aleph's \localleftbox somewhere next month, that may be a starting point. But it is unlikely that any command based on that will be able to influence line breaking. ---------------------------------------------------------------------- Comment By: The Thanh Han (hanthethanh) Date: 2007-03-06 07:52 Message: Logged In: YES user_id=710 yes it makes sense. I am not sure whether \protcharleft could be implemented as macro: one can fetch the next char, get the lpcode and do a corresponding kern. However I don't know how to convert a character to its charcode to fetch the relevant lpcode. Another problem is that if the next char is part of a ligature (as in your example), it doesn't work. Looks like a primitive is needed. Does anyone have a suggestion how it could be implemented? ---------------------------------------------------------------------- You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=496&aid=743&group_id=106

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[ pdftex-Feature Requests-743 ] Fake beginning/end of line for protrusion
by noreply＠sarovar.org 06 Mar '07

06 Mar '07

Feature Requests item #743, was opened at 2007-03-06 03:20 You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=496&aid=743&group_id=106 >Category: HZ >Group: v1.50 Status: Open >Resolution: Accepted Priority: 5 Submitted By: Robert (schlcht) >Assigned to: The Thanh Han (hanthethanh) Summary: Fake beginning/end of line for protrusion Initial Comment: Although the situation with missing protrusion has certainly improved, there are still a lot of cases where characters will not be protruded (e.g. with indented paragraphs, at the beginning of list items, or of table cells). So I think it would be useful to have some commands that make pdftex believe that it is at the beginning or end of a line (e.g. \protchar{left,right}). So that you could for instance say: \item\protcharleft ``... Difficult? ---------------------------------------------------------------------- Comment By: Taco Hoekwater (taco) Date: 2007-03-06 09:00 Message: Logged In: YES user_id=1608 I will be experimenting with Aleph's \localleftbox somewhere next month, that may be a starting point. But it is unlikely that any command based on that will be able to influence line breaking. ---------------------------------------------------------------------- Comment By: The Thanh Han (hanthethanh) Date: 2007-03-06 08:52 Message: Logged In: YES user_id=710 yes it makes sense. I am not sure whether \protcharleft could be implemented as macro: one can fetch the next char, get the lpcode and do a corresponding kern. However I don't know how to convert a character to its charcode to fetch the relevant lpcode. Another problem is that if the next char is part of a ligature (as in your example), it doesn't work. Looks like a primitive is needed. Does anyone have a suggestion how it could be implemented? ---------------------------------------------------------------------- You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=496&aid=743&group_id=106

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[ pdftex-Feature Requests-743 ] Fake beginning/end of line for protrusion
by noreply＠sarovar.org 06 Mar '07

06 Mar '07

Feature Requests item #743, was opened at 2007-03-06 03:20 You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=496&aid=743&group_id=106 Category: None Group: None Status: Open Resolution: None Priority: 5 Submitted By: Robert (schlcht) Assigned to: Nobody (None) Summary: Fake beginning/end of line for protrusion Initial Comment: Although the situation with missing protrusion has certainly improved, there are still a lot of cases where characters will not be protruded (e.g. with indented paragraphs, at the beginning of list items, or of table cells). So I think it would be useful to have some commands that make pdftex believe that it is at the beginning or end of a line (e.g. \protchar{left,right}). So that you could for instance say: \item\protcharleft ``... Difficult? ---------------------------------------------------------------------- >Comment By: Taco Hoekwater (taco) Date: 2007-03-06 09:00 Message: Logged In: YES user_id=1608 I will be experimenting with Aleph's \localleftbox somewhere next month, that may be a starting point. But it is unlikely that any command based on that will be able to influence line breaking. ---------------------------------------------------------------------- Comment By: The Thanh Han (hanthethanh) Date: 2007-03-06 08:52 Message: Logged In: YES user_id=710 yes it makes sense. I am not sure whether \protcharleft could be implemented as macro: one can fetch the next char, get the lpcode and do a corresponding kern. However I don't know how to convert a character to its charcode to fetch the relevant lpcode. Another problem is that if the next char is part of a ligature (as in your example), it doesn't work. Looks like a primitive is needed. Does anyone have a suggestion how it could be implemented? ---------------------------------------------------------------------- You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=496&aid=743&group_id=106

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[ pdftex-Feature Requests-743 ] Fake beginning/end of line for protrusion
by noreply＠sarovar.org 06 Mar '07

06 Mar '07

Feature Requests item #743, was opened at 2007-03-06 02:20 You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=496&aid=743&group_id=106 Category: None Group: None Status: Open Resolution: None Priority: 5 Submitted By: Robert (schlcht) Assigned to: Nobody (None) Summary: Fake beginning/end of line for protrusion Initial Comment: Although the situation with missing protrusion has certainly improved, there are still a lot of cases where characters will not be protruded (e.g. with indented paragraphs, at the beginning of list items, or of table cells). So I think it would be useful to have some commands that make pdftex believe that it is at the beginning or end of a line (e.g. \protchar{left,right}). So that you could for instance say: \item\protcharleft ``... Difficult? ---------------------------------------------------------------------- >Comment By: The Thanh Han (hanthethanh) Date: 2007-03-06 07:52 Message: Logged In: YES user_id=710 yes it makes sense. I am not sure whether \protcharleft could be implemented as macro: one can fetch the next char, get the lpcode and do a corresponding kern. However I don't know how to convert a character to its charcode to fetch the relevant lpcode. Another problem is that if the next char is part of a ligature (as in your example), it doesn't work. Looks like a primitive is needed. Does anyone have a suggestion how it could be implemented? ---------------------------------------------------------------------- You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=496&aid=743&group_id=106

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[ pdftex-Feature Requests-743 ] Fake beginning/end of line for protrusion
by noreply＠sarovar.org 05 Mar '07

05 Mar '07

Feature Requests item #743, was opened at 2007-03-06 02:20 You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=496&aid=743&group_id=106 Category: None Group: None Status: Open Resolution: None Priority: 5 Submitted By: Robert (schlcht) Assigned to: Nobody (None) Summary: Fake beginning/end of line for protrusion Initial Comment: Although the situation with missing protrusion has certainly improved, there are still a lot of cases where characters will not be protruded (e.g. with indented paragraphs, at the beginning of list items, or of table cells). So I think it would be useful to have some commands that make pdftex believe that it is at the beginning or end of a line (e.g. \protchar{left,right}). So that you could for instance say: \item\protcharleft ``... Difficult? ---------------------------------------------------------------------- You can respond by visiting: http://sarovar.org/tracker/?func=detail&atid=496&aid=743&group_id=106

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