[NTG-context] example of better linebreak with 2014.05.17 compared to 2014.07.07

Hans Hagen pragma at wxs.nl
Thu Jul 10 13:03:41 CEST 2014


On 7/10/2014 5:06 AM, Sanjoy Mahajan wrote:
> Hans Hagen <pragma at wxs.nl> writes:
>
>> it can happen if patterns or fonts changed ...so, best make two small
>> test files and we can look into it with tracing
>
> There's just one test file for both (see below).  I think I verified
> that the texgyrepagella font is the same in both context minimals.  But
> maybe the hyphenation patterns did change.
>
>> how does the tex file look
>
> I made the following minimal example (same for both versions):
>
> \setupbodyfont[palatino]
> \showframe
> \setuplayout[width=5.4286in]
>
> \starttext
>
> Let's see whether this estimate is reasonable.  According to the
> plane's technical documentation, the 747-400's four engines together
> can provide roughly 1~meganewton of thrust.
>
> \stoptext

fyi:

\setupbackend[space=yes]

can help you around the wrong threshold for spaces in your viewer.

\setuptolerance[tolerant]

makes the paragraph look better ... i'm not sure what makes the 
difference in file

BT
/F1 11.955168 Tf 1 0 0 1 263.3079 760.2084 Tm [<0053>]TJ
1 0 0 1 70.867 702.3845 Tm 
[<00480033006A02150063>-404<006300330033>-405<007300400033006A>-15<004000330061>-405<006A>-15<004000430063>-405<00330063>14<006A0043004C001D006A0033>-403<00430063>-405<00610033001D00630052004E001D0024004900330059>-798<001C>34<002C002C00520061>15<00300043004E003C>-404<006A>9<0052>-404<006A>-15<00400033>-404<00550049001D004E003302150063>]TJ
1 0 0 1 70.867 687.3545 Tm 
[<006A0033002C0040004E0043002C001D0049>-302<00300052002C006E004C0033004E006A001D006A00430052004E002E>-315<006A>-15<00400033>-302<0065003A00650041003A007A007A02150063>-302<0038>14<0052006E0061>-302<0033004E003C0043004E00330063>-302<006A>9<0052003C>20<0033006A>-14<004000330061>-302<002C001D004E>-302<005500610052>24<0071004300300033>]TJ
1 0 0 1 70.867 672.3244 Tm 
[<00610052006E003C00400049>25<0077>-250<0053>-250<004C0033003C>15<001D004E0033>10<0073006A>10<0052004E>-250<00520038>-250<006A>-15<00400061>-10<006E0063>15<006A0059>]TJ
ET

BT
/F1 11.955168 Tf 1 0 0 1 263.3079 760.2084 Tm [<0053>]TJ
1 0 0 1 70.867 702.3845 Tm 
[<00480033006A0215>25<0063>-201<006300330033>-201<007300400033006A>-15<004000330061>-200<006A>-15<004000430063>-201<00330063>14<006A0043004C001D006A0033>-200<00430063>-201<00610033001D00630052004E001D0024004900330059>-317<001C>34<002C002C00520061>15<00300043004E003C>-200<006A>9<0052>-200<006A>-15<00400033>-201<00550049001D004E00330215>24<0063>-200<006A0033002C00400041>]TJ
1 0 0 1 70.867 687.3545 Tm 
[<004E0043002C001D0049>-166<00300052002C006E004C0033004E006A001D006A00430052004E002E>-184<006A>-15<00400033>-166<0065003A00650041003A007A007A0215>24<0063>-166<0038>14<0052006E0061>-166<0033004E003C0043004E00330063>-166<006A>9<0052003C>20<0033006A>-14<004000330061>-167<002C001D004E>-167<005500610052>25<0071004300300033>-166<00610052006E003C00400049>24<0077>]TJ
1 0 0 1 70.867 672.3244 Tm 
[<0053>-250<004C0033003C>15<001D004E0033>10<0073006A>10<0052004E>-250<00520038>-250<006A>-15<00400061>-10<006E0063>15<006A0059>]TJ
ET

looks like a difference in font (kerning)

Hans

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