On Wed 15 Jan 2020 at 06:11:47 (+0000), Russell L. Harris wrote: > On Tue, Jan 14, 2020 at 11:28:02PM -0600, David Wright wrote: > > As soon as I switched to pdflatex, I started using a blink comparator > > technique (between two fvwm viewports) which depends on one of the > > PDF renderings remaining unchanged while the other (same PDF) is > > updated (with r) each time the source is reprocessed. xdvi would > > make that near impossible. > > David, The technique sounds interesting; I should give it a try. > Where is it documented? Must I start using fvwm?
I'm not sure, because I haven't been adventurous in trying out other window managers (leaving aside DEs). I once tried xfwm4, and obviously I played with twm in the last century when I first used X. The method is simple, like most of my techniques, and is limited to working on one page at a time, and using xpdf (or any viewer that can be coerced into not refreshing). Open the source file in an editor¹, process the source to produce a PDF (either in an xterm² or with the editor's compile directive), view the PDF⁴. ¹ ² and ⁴ are fvwm viewports as shown below, which can be instantly switched between with ⊞ → ← ↑ ↓ (my bindings). Make changes in the source, reprocess, and view the PDF in ³. Switching back and forth between ³ and ⁴ gives you the blink comparator effect. Make more changes in the source, reprocess, and hit r in ³ so that ³ stays up to date but ⁴ is unchanged. |¹editor window |²xterm for processing |³PDF up-to-date |⁴PDF original | ←—————→ I find this useful when fine-tuning small cosmetic changes. For example, the positions of "kam die" and "world made" in the attached are a visual compromise, because these words apply to notes that are necessarily out of alignment. Cheers, David.