| .. | .. |
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| 29 | 29 | |
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| 30 | 30 | Used tools: |
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| 31 | 31 | |
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| 32 | | - * ``dot(1)``: Graphviz (http://www.graphviz.org). If Graphviz is not |
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| 32 | + * ``dot(1)``: Graphviz (https://www.graphviz.org). If Graphviz is not |
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| 33 | 33 | available, the DOT language is inserted as literal-block. |
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| 34 | 34 | |
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| 35 | 35 | * SVG to PDF: To generate PDF, you need at least one of this tools: |
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| .. | .. |
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| 41 | 41 | * generate PDF from SVG / used by PDF (LaTeX) builder |
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| 42 | 42 | |
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| 43 | 43 | * generate SVG (html-builder) and PDF (latex-builder) from DOT files. |
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| 44 | | - DOT: see http://www.graphviz.org/content/dot-language |
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| 44 | + DOT: see https://www.graphviz.org/content/dot-language |
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| 45 | 45 | |
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| 46 | 46 | """ |
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| 47 | 47 | |
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| .. | .. |
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| 182 | 182 | kernellog.verbose(app, "use dot(1) from: " + dot_cmd) |
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| 183 | 183 | else: |
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| 184 | 184 | kernellog.warn(app, "dot(1) not found, for better output quality install " |
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| 185 | | - "graphviz from http://www.graphviz.org") |
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| 185 | + "graphviz from https://www.graphviz.org") |
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| 186 | 186 | if convert_cmd: |
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| 187 | 187 | kernellog.verbose(app, "use convert(1) from: " + convert_cmd) |
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| 188 | 188 | else: |
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